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Finding the Fourth Proportional to 259,720.40, 389,755.52 and 101,930.24

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Solution

The fourth proportional to 259,720.40, 389,755.52 and 101,930.24 is: 152,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,720.40 : 389,755.52 = 101,930.24 : x
  2. Step 2: Convert to fraction form
    259,720.40/389,755.52 = 101,930.24/x
  3. Step 3: Cross multiply
    259,720.40x = 389,755.52 × 101,930.24
  4. Step 4: Simplify right side
    259,720.40x = 39,727,873,694.92
  5. Step 5: Solve for x
    x = 39,727,873,694.92/259,720.40
  6. Step 6: Final answer
    x = 152,964.01

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