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Finding the Fourth Proportional to 367,231.80, 550,847.70 and 139,524.60

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Solution

The fourth proportional to 367,231.80, 550,847.70 and 139,524.60 is: 209,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,231.80 : 550,847.70 = 139,524.60 : x
  2. Step 2: Convert to fraction form
    367,231.80/550,847.70 = 139,524.60/x
  3. Step 3: Cross multiply
    367,231.80x = 550,847.70 × 139,524.60
  4. Step 4: Simplify right side
    367,231.80x = 76,856,805,003.42
  5. Step 5: Solve for x
    x = 76,856,805,003.42/367,231.80
  6. Step 6: Final answer
    x = 209,286.90

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