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Finding the Fourth Proportional to 81,617.40, 122,426.10 and 73,452.60

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Solution

The fourth proportional to 81,617.40, 122,426.10 and 73,452.60 is: 110,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,617.40 : 122,426.10 = 73,452.60 : x
  2. Step 2: Convert to fraction form
    81,617.40/122,426.10 = 73,452.60/x
  3. Step 3: Cross multiply
    81,617.40x = 122,426.10 × 73,452.60
  4. Step 4: Simplify right side
    81,617.40x = 8,992,515,352.86
  5. Step 5: Solve for x
    x = 8,992,515,352.86/81,617.40
  6. Step 6: Final answer
    x = 110,178.90

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