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Finding the Fourth Proportional to 123,855.60, 170,917.92 and 67,265.76

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Solution

The fourth proportional to 123,855.60, 170,917.92 and 67,265.76 is: 92,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,855.60 : 170,917.92 = 67,265.76 : x
  2. Step 2: Convert to fraction form
    123,855.60/170,917.92 = 67,265.76/x
  3. Step 3: Cross multiply
    123,855.60x = 170,917.92 × 67,265.76
  4. Step 4: Simplify right side
    123,855.60x = 11,496,923,786.42
  5. Step 5: Solve for x
    x = 11,496,923,786.42/123,855.60
  6. Step 6: Final answer
    x = 92,825.22

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