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Finding the Fourth Proportional to 259,555.32, 389,330.69 and 82,062.45

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Solution

The fourth proportional to 259,555.32, 389,330.69 and 82,062.45 is: 123,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,555.32 : 389,330.69 = 82,062.45 : x
  2. Step 2: Convert to fraction form
    259,555.32/389,330.69 = 82,062.45/x
  3. Step 3: Cross multiply
    259,555.32x = 389,330.69 × 82,062.45
  4. Step 4: Simplify right side
    259,555.32x = 31,949,429,871.28
  5. Step 5: Solve for x
    x = 31,949,429,871.28/259,555.32
  6. Step 6: Final answer
    x = 123,092.95

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