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Finding the Fourth Proportional to 83,380.47, 125,072.55 and 30,076.71

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Solution

The fourth proportional to 83,380.47, 125,072.55 and 30,076.71 is: 45,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,380.47 : 125,072.55 = 30,076.71 : x
  2. Step 2: Convert to fraction form
    83,380.47/125,072.55 = 30,076.71/x
  3. Step 3: Cross multiply
    83,380.47x = 125,072.55 × 30,076.71
  4. Step 4: Simplify right side
    83,380.47x = 3,761,770,815.31
  5. Step 5: Solve for x
    x = 3,761,770,815.31/83,380.47
  6. Step 6: Final answer
    x = 45,115.73

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