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Finding the Fourth Proportional to 81,589.54, 122,351.08 and 25,410.76

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Solution

The fourth proportional to 81,589.54, 122,351.08 and 25,410.76 is: 38,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,589.54 : 122,351.08 = 25,410.76 : x
  2. Step 2: Convert to fraction form
    81,589.54/122,351.08 = 25,410.76/x
  3. Step 3: Cross multiply
    81,589.54x = 122,351.08 × 25,410.76
  4. Step 4: Simplify right side
    81,589.54x = 3,109,033,929.62
  5. Step 5: Solve for x
    x = 3,109,033,929.62/81,589.54
  6. Step 6: Final answer
    x = 38,105.79

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