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Finding the Fourth Proportional to 84,100.87, 126,129.79 and 24,922.73

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Solution

The fourth proportional to 84,100.87, 126,129.79 and 24,922.73 is: 37,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,100.87 : 126,129.79 = 24,922.73 : x
  2. Step 2: Convert to fraction form
    84,100.87/126,129.79 = 24,922.73/x
  3. Step 3: Cross multiply
    84,100.87x = 126,129.79 × 24,922.73
  4. Step 4: Simplify right side
    84,100.87x = 3,143,498,701.13
  5. Step 5: Solve for x
    x = 3,143,498,701.13/84,100.87
  6. Step 6: Final answer
    x = 37,377.72

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