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Finding the Fourth Proportional to 73,775.31, 110,697.97 and 38,229.98

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Solution

The fourth proportional to 73,775.31, 110,697.97 and 38,229.98 is: 57,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,775.31 : 110,697.97 = 38,229.98 : x
  2. Step 2: Convert to fraction form
    73,775.31/110,697.97 = 38,229.98/x
  3. Step 3: Cross multiply
    73,775.31x = 110,697.97 × 38,229.98
  4. Step 4: Simplify right side
    73,775.31x = 4,231,981,575.35
  5. Step 5: Solve for x
    x = 4,231,981,575.35/73,775.31
  6. Step 6: Final answer
    x = 57,363.12

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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.