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Finding the Fourth Proportional to 91,562.62, 126,311.84 and 59,287.97

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Solution

The fourth proportional to 91,562.62, 126,311.84 and 59,287.97 is: 81,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562.62 : 126,311.84 = 59,287.97 : x
  2. Step 2: Convert to fraction form
    91,562.62/126,311.84 = 59,287.97/x
  3. Step 3: Cross multiply
    91,562.62x = 126,311.84 × 59,287.97
  4. Step 4: Simplify right side
    91,562.62x = 7,488,772,111.73
  5. Step 5: Solve for x
    x = 7,488,772,111.73/91,562.62
  6. Step 6: Final answer
    x = 81,788.53

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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.