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Finding the Fourth Proportional to 101,773.29, 140,435.49 and 58,752.62

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Solution

The fourth proportional to 101,773.29, 140,435.49 and 58,752.62 is: 81,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,773.29 : 140,435.49 = 58,752.62 : x
  2. Step 2: Convert to fraction form
    101,773.29/140,435.49 = 58,752.62/x
  3. Step 3: Cross multiply
    101,773.29x = 140,435.49 × 58,752.62
  4. Step 4: Simplify right side
    101,773.29x = 8,250,952,276.31
  5. Step 5: Solve for x
    x = 8,250,952,276.31/101,773.29
  6. Step 6: Final answer
    x = 81,071.88

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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.