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Finding the Fourth Proportional to 216,755.43, 324,712.49 and 159,725.85

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Solution

The fourth proportional to 216,755.43, 324,712.49 and 159,725.85 is: 239,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,755.43 : 324,712.49 = 159,725.85 : x
  2. Step 2: Convert to fraction form
    216,755.43/324,712.49 = 159,725.85/x
  3. Step 3: Cross multiply
    216,755.43x = 324,712.49 × 159,725.85
  4. Step 4: Simplify right side
    216,755.43x = 51,864,977,672.24
  5. Step 5: Solve for x
    x = 51,864,977,672.24/216,755.43
  6. Step 6: Final answer
    x = 239,278.79

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