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Finding the Fourth Proportional to 172,121.40, 237,553.20 and 123,882.84

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Solution

The fourth proportional to 172,121.40, 237,553.20 and 123,882.84 is: 170,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,121.40 : 237,553.20 = 123,882.84 : x
  2. Step 2: Convert to fraction form
    172,121.40/237,553.20 = 123,882.84/x
  3. Step 3: Cross multiply
    172,121.40x = 237,553.20 × 123,882.84
  4. Step 4: Simplify right side
    172,121.40x = 29,428,765,067.09
  5. Step 5: Solve for x
    x = 29,428,765,067.09/172,121.40
  6. Step 6: Final answer
    x = 170,976.79

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