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Finding the Fourth Proportional to 55,443.15, 83,171.64 and 21,704.81

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Solution

The fourth proportional to 55,443.15, 83,171.64 and 21,704.81 is: 32,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,443.15 : 83,171.64 = 21,704.81 : x
  2. Step 2: Convert to fraction form
    55,443.15/83,171.64 = 21,704.81/x
  3. Step 3: Cross multiply
    55,443.15x = 83,171.64 × 21,704.81
  4. Step 4: Simplify right side
    55,443.15x = 1,805,224,227.73
  5. Step 5: Solve for x
    x = 1,805,224,227.73/55,443.15
  6. Step 6: Final answer
    x = 32,559.91

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