Finding the Fourth Proportional to 132,050.99, 182,234.49 and 74,689.20
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Solution
The fourth proportional to 132,050.99, 182,234.49 and 74,689.20 is: 103,073.43
Step by Step Solution
- Step 1: Write the proportion equation
132,050.99 : 182,234.49 = 74,689.20 : x - Step 2: Convert to fraction form
132,050.99/182,234.49 = 74,689.20/x - Step 3: Cross multiply
132,050.99x = 182,234.49 × 74,689.20 - Step 4: Simplify right side
132,050.99x = 13,610,948,270.51 - Step 5: Solve for x
x = 13,610,948,270.51/132,050.99 - Step 6: Final answer
x = 103,073.43
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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.