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Finding the Fourth Proportional to 118,092.24, 162,961.92 and 64,377.36

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Solution

The fourth proportional to 118,092.24, 162,961.92 and 64,377.36 is: 88,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,092.24 : 162,961.92 = 64,377.36 : x
  2. Step 2: Convert to fraction form
    118,092.24/162,961.92 = 64,377.36/x
  3. Step 3: Cross multiply
    118,092.24x = 162,961.92 × 64,377.36
  4. Step 4: Simplify right side
    118,092.24x = 10,491,058,190.13
  5. Step 5: Solve for x
    x = 10,491,058,190.13/118,092.24
  6. Step 6: Final answer
    x = 88,837.83

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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.