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Finding the Fourth Proportional to 290,024.52, 435,057.52 and 121,375.04

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Solution

The fourth proportional to 290,024.52, 435,057.52 and 121,375.04 is: 182,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,024.52 : 435,057.52 = 121,375.04 : x
  2. Step 2: Convert to fraction form
    290,024.52/435,057.52 = 121,375.04/x
  3. Step 3: Cross multiply
    290,024.52x = 435,057.52 × 121,375.04
  4. Step 4: Simplify right side
    290,024.52x = 52,805,123,892.30
  5. Step 5: Solve for x
    x = 52,805,123,892.30/290,024.52
  6. Step 6: Final answer
    x = 182,071.24

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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.