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Finding the Fourth Proportional to 224,992.54, 337,488.82 and 90,117.85

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Solution

The fourth proportional to 224,992.54, 337,488.82 and 90,117.85 is: 135,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,992.54 : 337,488.82 = 90,117.85 : x
  2. Step 2: Convert to fraction form
    224,992.54/337,488.82 = 90,117.85/x
  3. Step 3: Cross multiply
    224,992.54x = 337,488.82 × 90,117.85
  4. Step 4: Simplify right side
    224,992.54x = 30,413,766,857.44
  5. Step 5: Solve for x
    x = 30,413,766,857.44/224,992.54
  6. Step 6: Final answer
    x = 135,176.78

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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.