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Finding the Fourth Proportional to 92,047.68, 138,331.53 and 54,614.79

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Solution

The fourth proportional to 92,047.68, 138,331.53 and 54,614.79 is: 82,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,047.68 : 138,331.53 = 54,614.79 : x
  2. Step 2: Convert to fraction form
    92,047.68/138,331.53 = 54,614.79/x
  3. Step 3: Cross multiply
    92,047.68x = 138,331.53 × 54,614.79
  4. Step 4: Simplify right side
    92,047.68x = 7,554,947,461.33
  5. Step 5: Solve for x
    x = 7,554,947,461.33/92,047.68
  6. Step 6: Final answer
    x = 82,076.46

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