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Finding the Fourth Proportional to 101,686.55, 140,311.10 and 63,934.07

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Solution

The fourth proportional to 101,686.55, 140,311.10 and 63,934.07 is: 88,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,686.55 : 140,311.10 = 63,934.07 : x
  2. Step 2: Convert to fraction form
    101,686.55/140,311.10 = 63,934.07/x
  3. Step 3: Cross multiply
    101,686.55x = 140,311.10 × 63,934.07
  4. Step 4: Simplify right side
    101,686.55x = 8,970,659,147.46
  5. Step 5: Solve for x
    x = 8,970,659,147.46/101,686.55
  6. Step 6: Final answer
    x = 88,218.74

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