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Finding the Fourth Proportional to 206,744.22, 285,338.25 and 126,218.70

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Solution

The fourth proportional to 206,744.22, 285,338.25 and 126,218.70 is: 174,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,744.22 : 285,338.25 = 126,218.70 : x
  2. Step 2: Convert to fraction form
    206,744.22/285,338.25 = 126,218.70/x
  3. Step 3: Cross multiply
    206,744.22x = 285,338.25 × 126,218.70
  4. Step 4: Simplify right side
    206,744.22x = 36,015,022,975.28
  5. Step 5: Solve for x
    x = 36,015,022,975.28/206,744.22
  6. Step 6: Final answer
    x = 174,200.87

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