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Finding the Fourth Proportional to 80,120.75, 120,066.30 and 44,986.59

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Solution

The fourth proportional to 80,120.75, 120,066.30 and 44,986.59 is: 67,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,120.75 : 120,066.30 = 44,986.59 : x
  2. Step 2: Convert to fraction form
    80,120.75/120,066.30 = 44,986.59/x
  3. Step 3: Cross multiply
    80,120.75x = 120,066.30 × 44,986.59
  4. Step 4: Simplify right side
    80,120.75x = 5,401,373,410.92
  5. Step 5: Solve for x
    x = 5,401,373,410.92/80,120.75
  6. Step 6: Final answer
    x = 67,415.42

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