The problem asks us to complete a pattern of division problems. We are given a number divided by an unknown number, which equals 13.119. The pattern is: $131.19 \div \underline{\hspace{1cm}} = 13.119$ $1311.9 \div \underline{\hspace{1cm}} = 13.119$ $13119 \div \underline{\hspace{1cm}} = 13.119$ $131190 \div \underline{\hspace{1cm}} = 13.119$

1. Problem Description

The problem asks us to complete a pattern of division problems. We are given a number divided by an unknown number, which equals 13.

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9. The pattern is:

$131.19 \div \underline{\hspace{1cm}} = 13.119$

$1311.9 \div \underline{\hspace{1cm}} = 13.119$

$13119 \div \underline{\hspace{1cm}} = 13.119$

$131190 \div \underline{\hspace{1cm}} = 13.119$

2. Solution Steps

To find the missing numbers, we can rewrite each division problem as:

$Dividend \div Divisor = Quotient$, which can be rearranged to:

$Divisor = Dividend \div Quotient$

Therefore, for each line, we must divide the first number (dividend) by 13.119 (quotient) to find the second number (divisor).

Line 1: $131.19 \div 13.119 = 10$

Line 2: $1311.9 \div 13.119 = 100$

Line 3: $13119 \div 13.119 = 1000$

Line 4: $131190 \div 13.119 = 10000$

3. Final Answer

The completed pattern is:

$131.19 \div 10 = 13.119$

$1311.9 \div 100 = 13.119$

$13119 \div 1000 = 13.119$

$131190 \div 10000 = 13.119$