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Finding the Fourth Proportional to 62,472.34, 86,212.49 and 34,177.42

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Solution

The fourth proportional to 62,472.34, 86,212.49 and 34,177.42 is: 47,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.34 : 86,212.49 = 34,177.42 : x
  2. Step 2: Convert to fraction form
    62,472.34/86,212.49 = 34,177.42/x
  3. Step 3: Cross multiply
    62,472.34x = 86,212.49 × 34,177.42
  4. Step 4: Simplify right side
    62,472.34x = 2,946,520,093.56
  5. Step 5: Solve for x
    x = 2,946,520,093.56/62,472.34
  6. Step 6: Final answer
    x = 47,165.20

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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.