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Finding the Fourth Proportional to 221,680.40, 332,569.20 and 71,895.20

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Solution

The fourth proportional to 221,680.40, 332,569.20 and 71,895.20 is: 107,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,680.40 : 332,569.20 = 71,895.20 : x
  2. Step 2: Convert to fraction form
    221,680.40/332,569.20 = 71,895.20/x
  3. Step 3: Cross multiply
    221,680.40x = 332,569.20 × 71,895.20
  4. Step 4: Simplify right side
    221,680.40x = 23,910,129,147.84
  5. Step 5: Solve for x
    x = 23,910,129,147.84/221,680.40
  6. Step 6: Final answer
    x = 107,858.56

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