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Finding the Fourth Proportional to 80,765.75, 121,168.20 and 25,361.75

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Solution

The fourth proportional to 80,765.75, 121,168.20 and 25,361.75 is: 38,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,765.75 : 121,168.20 = 25,361.75 : x
  2. Step 2: Convert to fraction form
    80,765.75/121,168.20 = 25,361.75/x
  3. Step 3: Cross multiply
    80,765.75x = 121,168.20 × 25,361.75
  4. Step 4: Simplify right side
    80,765.75x = 3,073,037,596.35
  5. Step 5: Solve for x
    x = 3,073,037,596.35/80,765.75
  6. Step 6: Final answer
    x = 38,048.77

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