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Finding the Fourth Proportional to 80,617.85, 120,926.73 and 28,027.32

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Solution

The fourth proportional to 80,617.85, 120,926.73 and 28,027.32 is: 42,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617.85 : 120,926.73 = 28,027.32 : x
  2. Step 2: Convert to fraction form
    80,617.85/120,926.73 = 28,027.32/x
  3. Step 3: Cross multiply
    80,617.85x = 120,926.73 × 28,027.32
  4. Step 4: Simplify right side
    80,617.85x = 3,389,252,158.26
  5. Step 5: Solve for x
    x = 3,389,252,158.26/80,617.85
  6. Step 6: Final answer
    x = 42,040.97

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