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Finding the Fourth Proportional to 101,777.25, 140,458.97 and 58,764.61

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Solution

The fourth proportional to 101,777.25, 140,458.97 and 58,764.61 is: 81,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,777.25 : 140,458.97 = 58,764.61 : x
  2. Step 2: Convert to fraction form
    101,777.25/140,458.97 = 58,764.61/x
  3. Step 3: Cross multiply
    101,777.25x = 140,458.97 × 58,764.61
  4. Step 4: Simplify right side
    101,777.25x = 8,254,016,299.23
  5. Step 5: Solve for x
    x = 8,254,016,299.23/101,777.25
  6. Step 6: Final answer
    x = 81,098.83

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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.