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Finding the Fourth Proportional to 224,867.60, 337,560.60 and 136,221.20

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Solution

The fourth proportional to 224,867.60, 337,560.60 and 136,221.20 is: 204,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,867.60 : 337,560.60 = 136,221.20 : x
  2. Step 2: Convert to fraction form
    224,867.60/337,560.60 = 136,221.20/x
  3. Step 3: Cross multiply
    224,867.60x = 337,560.60 × 136,221.20
  4. Step 4: Simplify right side
    224,867.60x = 45,982,910,004.72
  5. Step 5: Solve for x
    x = 45,982,910,004.72/224,867.60
  6. Step 6: Final answer
    x = 204,488.82

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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.