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Finding the Fourth Proportional to 80,622.08, 120,900.31 and 36,236.91

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Solution

The fourth proportional to 80,622.08, 120,900.31 and 36,236.91 is: 54,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622.08 : 120,900.31 = 36,236.91 : x
  2. Step 2: Convert to fraction form
    80,622.08/120,900.31 = 36,236.91/x
  3. Step 3: Cross multiply
    80,622.08x = 120,900.31 × 36,236.91
  4. Step 4: Simplify right side
    80,622.08x = 4,381,053,561.85
  5. Step 5: Solve for x
    x = 4,381,053,561.85/80,622.08
  6. Step 6: Final answer
    x = 54,340.62

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