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Finding the Fourth Proportional to 150,463.08, 225,841.50 and 71,631.72

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Solution

The fourth proportional to 150,463.08, 225,841.50 and 71,631.72 is: 107,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,463.08 : 225,841.50 = 71,631.72 : x
  2. Step 2: Convert to fraction form
    150,463.08/225,841.50 = 71,631.72/x
  3. Step 3: Cross multiply
    150,463.08x = 225,841.50 × 71,631.72
  4. Step 4: Simplify right side
    150,463.08x = 16,177,415,092.38
  5. Step 5: Solve for x
    x = 16,177,415,092.38/150,463.08
  6. Step 6: Final answer
    x = 107,517.51

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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.