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Finding the Fourth Proportional to 100,076.41, 138,079.52 and 59,772.43

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Solution

The fourth proportional to 100,076.41, 138,079.52 and 59,772.43 is: 82,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,076.41 : 138,079.52 = 59,772.43 : x
  2. Step 2: Convert to fraction form
    100,076.41/138,079.52 = 59,772.43/x
  3. Step 3: Cross multiply
    100,076.41x = 138,079.52 × 59,772.43
  4. Step 4: Simplify right side
    100,076.41x = 8,253,348,144.77
  5. Step 5: Solve for x
    x = 8,253,348,144.77/100,076.41
  6. Step 6: Final answer
    x = 82,470.47

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