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Finding the Fourth Proportional to 54,861.68, 82,292.52 and 15,422.78

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Solution

The fourth proportional to 54,861.68, 82,292.52 and 15,422.78 is: 23,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.68 : 82,292.52 = 15,422.78 : x
  2. Step 2: Convert to fraction form
    54,861.68/82,292.52 = 15,422.78/x
  3. Step 3: Cross multiply
    54,861.68x = 82,292.52 × 15,422.78
  4. Step 4: Simplify right side
    54,861.68x = 1,269,179,431.61
  5. Step 5: Solve for x
    x = 1,269,179,431.61/54,861.68
  6. Step 6: Final answer
    x = 23,134.17

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