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Finding the Fourth Proportional to 71,626.64, 107,439.96 and 27,243.14

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Solution

The fourth proportional to 71,626.64, 107,439.96 and 27,243.14 is: 40,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,626.64 : 107,439.96 = 27,243.14 : x
  2. Step 2: Convert to fraction form
    71,626.64/107,439.96 = 27,243.14/x
  3. Step 3: Cross multiply
    71,626.64x = 107,439.96 × 27,243.14
  4. Step 4: Simplify right side
    71,626.64x = 2,927,001,871.87
  5. Step 5: Solve for x
    x = 2,927,001,871.87/71,626.64
  6. Step 6: Final answer
    x = 40,864.71

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