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Finding the Fourth Proportional to 118,891.92, 164,043.90 and 80,656.68

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Solution

The fourth proportional to 118,891.92, 164,043.90 and 80,656.68 is: 111,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891.92 : 164,043.90 = 80,656.68 : x
  2. Step 2: Convert to fraction form
    118,891.92/164,043.90 = 80,656.68/x
  3. Step 3: Cross multiply
    118,891.92x = 164,043.90 × 80,656.68
  4. Step 4: Simplify right side
    118,891.92x = 13,231,236,348.25
  5. Step 5: Solve for x
    x = 13,231,236,348.25/118,891.92
  6. Step 6: Final answer
    x = 111,287.94

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