Finding the Fourth Proportional to 357,107.13, 535,602.24 and 132,414.75
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Solution
The fourth proportional to 357,107.13, 535,602.24 and 132,414.75 is: 198,600.45
Step by Step Solution
- Step 1: Write the proportion equation
357,107.13 : 535,602.24 = 132,414.75 : x - Step 2: Convert to fraction form
357,107.13/535,602.24 = 132,414.75/x - Step 3: Cross multiply
357,107.13x = 535,602.24 × 132,414.75 - Step 4: Simplify right side
357,107.13x = 70,921,636,709.04 - Step 5: Solve for x
x = 70,921,636,709.04/357,107.13 - Step 6: Final answer
x = 198,600.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.