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Finding the Fourth Proportional to 83,746.70, 125,620.05 and 82,871.90

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Solution

The fourth proportional to 83,746.70, 125,620.05 and 82,871.90 is: 124,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.70 : 125,620.05 = 82,871.90 : x
  2. Step 2: Convert to fraction form
    83,746.70/125,620.05 = 82,871.90/x
  3. Step 3: Cross multiply
    83,746.70x = 125,620.05 × 82,871.90
  4. Step 4: Simplify right side
    83,746.70x = 10,410,372,221.60
  5. Step 5: Solve for x
    x = 10,410,372,221.60/83,746.70
  6. Step 6: Final answer
    x = 124,307.85

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