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Finding the Fourth Proportional to 92,974.54, 128,304.37 and 52,695.92

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Solution

The fourth proportional to 92,974.54, 128,304.37 and 52,695.92 is: 72,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974.54 : 128,304.37 = 52,695.92 : x
  2. Step 2: Convert to fraction form
    92,974.54/128,304.37 = 52,695.92/x
  3. Step 3: Cross multiply
    92,974.54x = 128,304.37 × 52,695.92
  4. Step 4: Simplify right side
    92,974.54x = 6,761,116,553.69
  5. Step 5: Solve for x
    x = 6,761,116,553.69/92,974.54
  6. Step 6: Final answer
    x = 72,720.09

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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.