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Finding the Fourth Proportional to 150,658.60, 225,989.16 and 38,338.96

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Solution

The fourth proportional to 150,658.60, 225,989.16 and 38,338.96 is: 57,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,658.60 : 225,989.16 = 38,338.96 : x
  2. Step 2: Convert to fraction form
    150,658.60/225,989.16 = 38,338.96/x
  3. Step 3: Cross multiply
    150,658.60x = 225,989.16 × 38,338.96
  4. Step 4: Simplify right side
    150,658.60x = 8,664,189,365.67
  5. Step 5: Solve for x
    x = 8,664,189,365.67/150,658.60
  6. Step 6: Final answer
    x = 57,508.76

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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.