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Finding the Fourth Proportional to 62,472.52, 86,212.04 and 34,178.40

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Solution

The fourth proportional to 62,472.52, 86,212.04 and 34,178.40 is: 47,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.52 : 86,212.04 = 34,178.40 : x
  2. Step 2: Convert to fraction form
    62,472.52/86,212.04 = 34,178.40/x
  3. Step 3: Cross multiply
    62,472.52x = 86,212.04 × 34,178.40
  4. Step 4: Simplify right side
    62,472.52x = 2,946,589,587.94
  5. Step 5: Solve for x
    x = 2,946,589,587.94/62,472.52
  6. Step 6: Final answer
    x = 47,166.17

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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.