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Finding the Fourth Proportional to 259,500.27, 389,216.93 and 82,025.22

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Solution

The fourth proportional to 259,500.27, 389,216.93 and 82,025.22 is: 123,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,500.27 : 389,216.93 = 82,025.22 : x
  2. Step 2: Convert to fraction form
    259,500.27/389,216.93 = 82,025.22/x
  3. Step 3: Cross multiply
    259,500.27x = 389,216.93 × 82,025.22
  4. Step 4: Simplify right side
    259,500.27x = 31,925,603,900.85
  5. Step 5: Solve for x
    x = 31,925,603,900.85/259,500.27
  6. Step 6: Final answer
    x = 123,027.25

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