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Finding the Fourth Proportional to 123,044.28, 184,414.14 and 87,448.86

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Solution

The fourth proportional to 123,044.28, 184,414.14 and 87,448.86 is: 131,065.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,044.28 : 184,414.14 = 87,448.86 : x
  2. Step 2: Convert to fraction form
    123,044.28/184,414.14 = 87,448.86/x
  3. Step 3: Cross multiply
    123,044.28x = 184,414.14 × 87,448.86
  4. Step 4: Simplify right side
    123,044.28x = 16,126,806,310.88
  5. Step 5: Solve for x
    x = 16,126,806,310.88/123,044.28
  6. Step 6: Final answer
    x = 131,065.06

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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.