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Finding the Fourth Proportional to 62,474.70, 86,217.24 and 34,180.39

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Solution

The fourth proportional to 62,474.70, 86,217.24 and 34,180.39 is: 47,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,474.70 : 86,217.24 = 34,180.39 : x
  2. Step 2: Convert to fraction form
    62,474.70/86,217.24 = 34,180.39/x
  3. Step 3: Cross multiply
    62,474.70x = 86,217.24 × 34,180.39
  4. Step 4: Simplify right side
    62,474.70x = 2,946,939,123.87
  5. Step 5: Solve for x
    x = 2,946,939,123.87/62,474.70
  6. Step 6: Final answer
    x = 47,170.12

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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.