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Finding the Fourth Proportional to 112,349.46, 155,027.97 and 62,045.46

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Solution

The fourth proportional to 112,349.46, 155,027.97 and 62,045.46 is: 85,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,349.46 : 155,027.97 = 62,045.46 : x
  2. Step 2: Convert to fraction form
    112,349.46/155,027.97 = 62,045.46/x
  3. Step 3: Cross multiply
    112,349.46x = 155,027.97 × 62,045.46
  4. Step 4: Simplify right side
    112,349.46x = 9,618,781,711.52
  5. Step 5: Solve for x
    x = 9,618,781,711.52/112,349.46
  6. Step 6: Final answer
    x = 85,614.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.