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Finding the Fourth Proportional to 224,742.87, 337,001.45 and 74,930.13

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Solution

The fourth proportional to 224,742.87, 337,001.45 and 74,930.13 is: 112,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,742.87 : 337,001.45 = 74,930.13 : x
  2. Step 2: Convert to fraction form
    224,742.87/337,001.45 = 74,930.13/x
  3. Step 3: Cross multiply
    224,742.87x = 337,001.45 × 74,930.13
  4. Step 4: Simplify right side
    224,742.87x = 25,251,562,084.04
  5. Step 5: Solve for x
    x = 25,251,562,084.04/224,742.87
  6. Step 6: Final answer
    x = 112,357.57

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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.