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Finding the Fourth Proportional to 221,443.75, 332,165.67 and 55,231.75

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Solution

The fourth proportional to 221,443.75, 332,165.67 and 55,231.75 is: 82,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,443.75 : 332,165.67 = 55,231.75 : x
  2. Step 2: Convert to fraction form
    221,443.75/332,165.67 = 55,231.75/x
  3. Step 3: Cross multiply
    221,443.75x = 332,165.67 × 55,231.75
  4. Step 4: Simplify right side
    221,443.75x = 18,346,091,244.02
  5. Step 5: Solve for x
    x = 18,346,091,244.02/221,443.75
  6. Step 6: Final answer
    x = 82,847.64

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