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Finding the Fourth Proportional to 83,942.80, 125,914.20 and 74,101.30

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Solution

The fourth proportional to 83,942.80, 125,914.20 and 74,101.30 is: 111,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,942.80 : 125,914.20 = 74,101.30 : x
  2. Step 2: Convert to fraction form
    83,942.80/125,914.20 = 74,101.30/x
  3. Step 3: Cross multiply
    83,942.80x = 125,914.20 × 74,101.30
  4. Step 4: Simplify right side
    83,942.80x = 9,330,405,908.46
  5. Step 5: Solve for x
    x = 9,330,405,908.46/83,942.80
  6. Step 6: Final answer
    x = 111,151.95

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