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Finding the Fourth Proportional to 92,410.62, 127,502.49 and 54,149.66

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Solution

The fourth proportional to 92,410.62, 127,502.49 and 54,149.66 is: 74,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,410.62 : 127,502.49 = 54,149.66 : x
  2. Step 2: Convert to fraction form
    92,410.62/127,502.49 = 54,149.66/x
  3. Step 3: Cross multiply
    92,410.62x = 127,502.49 × 54,149.66
  4. Step 4: Simplify right side
    92,410.62x = 6,904,216,211.91
  5. Step 5: Solve for x
    x = 6,904,216,211.91/92,410.62
  6. Step 6: Final answer
    x = 74,712.37

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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.