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Finding the Fourth Proportional to 62,441.78, 86,170.92 and 34,149.29

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Solution

The fourth proportional to 62,441.78, 86,170.92 and 34,149.29 is: 47,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,441.78 : 86,170.92 = 34,149.29 : x
  2. Step 2: Convert to fraction form
    62,441.78/86,170.92 = 34,149.29/x
  3. Step 3: Cross multiply
    62,441.78x = 86,170.92 × 34,149.29
  4. Step 4: Simplify right side
    62,441.78x = 2,942,675,736.65
  5. Step 5: Solve for x
    x = 2,942,675,736.65/62,441.78
  6. Step 6: Final answer
    x = 47,126.71

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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.