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Finding the Fourth Proportional to 234,520.92, 351,778.02 and 57,027.48

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Solution

The fourth proportional to 234,520.92, 351,778.02 and 57,027.48 is: 85,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,520.92 : 351,778.02 = 57,027.48 : x
  2. Step 2: Convert to fraction form
    234,520.92/351,778.02 = 57,027.48/x
  3. Step 3: Cross multiply
    234,520.92x = 351,778.02 × 57,027.48
  4. Step 4: Simplify right side
    234,520.92x = 20,061,013,999.99
  5. Step 5: Solve for x
    x = 20,061,013,999.99/234,520.92
  6. Step 6: Final answer
    x = 85,540.40

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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.