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Finding the Fourth Proportional to 303,414.59, 454,972.13 and 93,001.79

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Solution

The fourth proportional to 303,414.59, 454,972.13 and 93,001.79 is: 139,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,414.59 : 454,972.13 = 93,001.79 : x
  2. Step 2: Convert to fraction form
    303,414.59/454,972.13 = 93,001.79/x
  3. Step 3: Cross multiply
    303,414.59x = 454,972.13 × 93,001.79
  4. Step 4: Simplify right side
    303,414.59x = 42,313,222,025.10
  5. Step 5: Solve for x
    x = 42,313,222,025.10/303,414.59
  6. Step 6: Final answer
    x = 139,456.78

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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.