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Finding the Fourth Proportional to 149,406.16, 206,180.50 and 82,338.16

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Solution

The fourth proportional to 149,406.16, 206,180.50 and 82,338.16 is: 113,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,406.16 : 206,180.50 = 82,338.16 : x
  2. Step 2: Convert to fraction form
    149,406.16/206,180.50 = 82,338.16/x
  3. Step 3: Cross multiply
    149,406.16x = 206,180.50 × 82,338.16
  4. Step 4: Simplify right side
    149,406.16x = 16,976,522,997.88
  5. Step 5: Solve for x
    x = 16,976,522,997.88/149,406.16
  6. Step 6: Final answer
    x = 113,626.66

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