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Finding the Fourth Proportional to 123,374.97, 185,138.60 and 48,481.97

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Solution

The fourth proportional to 123,374.97, 185,138.60 and 48,481.97 is: 72,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,374.97 : 185,138.60 = 48,481.97 : x
  2. Step 2: Convert to fraction form
    123,374.97/185,138.60 = 48,481.97/x
  3. Step 3: Cross multiply
    123,374.97x = 185,138.60 × 48,481.97
  4. Step 4: Simplify right side
    123,374.97x = 8,975,882,882.94
  5. Step 5: Solve for x
    x = 8,975,882,882.94/123,374.97
  6. Step 6: Final answer
    x = 72,752.87

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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.