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Finding the Fourth Proportional to 80,227.32, 120,352.86 and 75,306.84

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Solution

The fourth proportional to 80,227.32, 120,352.86 and 75,306.84 is: 112,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,227.32 : 120,352.86 = 75,306.84 : x
  2. Step 2: Convert to fraction form
    80,227.32/120,352.86 = 75,306.84/x
  3. Step 3: Cross multiply
    80,227.32x = 120,352.86 × 75,306.84
  4. Step 4: Simplify right side
    80,227.32x = 9,063,393,571.56
  5. Step 5: Solve for x
    x = 9,063,393,571.56/80,227.32
  6. Step 6: Final answer
    x = 112,971.41

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