Finding the Fourth Proportional to 132,141.92, 182,357.19 and 71,713.08
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Solution
The fourth proportional to 132,141.92, 182,357.19 and 71,713.08 is: 98,964.78
Step by Step Solution
- Step 1: Write the proportion equation
132,141.92 : 182,357.19 = 71,713.08 : x - Step 2: Convert to fraction form
132,141.92/182,357.19 = 71,713.08/x - Step 3: Cross multiply
132,141.92x = 182,357.19 × 71,713.08 - Step 4: Simplify right side
132,141.92x = 13,077,395,755.05 - Step 5: Solve for x
x = 13,077,395,755.05/132,141.92 - Step 6: Final answer
x = 98,964.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.