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Finding the Fourth Proportional to 136,791.44, 188,354.31 and 123,961.16

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Solution

The fourth proportional to 136,791.44, 188,354.31 and 123,961.16 is: 170,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,791.44 : 188,354.31 = 123,961.16 : x
  2. Step 2: Convert to fraction form
    136,791.44/188,354.31 = 123,961.16/x
  3. Step 3: Cross multiply
    136,791.44x = 188,354.31 × 123,961.16
  4. Step 4: Simplify right side
    136,791.44x = 23,348,618,939.80
  5. Step 5: Solve for x
    x = 23,348,618,939.80/136,791.44
  6. Step 6: Final answer
    x = 170,687.72

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