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Finding the Fourth Proportional to 259,800.86, 389,712.36 and 82,303.94

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Solution

The fourth proportional to 259,800.86, 389,712.36 and 82,303.94 is: 123,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,800.86 : 389,712.36 = 82,303.94 : x
  2. Step 2: Convert to fraction form
    259,800.86/389,712.36 = 82,303.94/x
  3. Step 3: Cross multiply
    259,800.86x = 389,712.36 × 82,303.94
  4. Step 4: Simplify right side
    259,800.86x = 32,074,862,694.70
  5. Step 5: Solve for x
    x = 32,074,862,694.70/259,800.86
  6. Step 6: Final answer
    x = 123,459.42

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