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Finding the Fourth Proportional to 68,558.40, 102,833.28 and 21,844.80

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Solution

The fourth proportional to 68,558.40, 102,833.28 and 21,844.80 is: 32,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,558.40 : 102,833.28 = 21,844.80 : x
  2. Step 2: Convert to fraction form
    68,558.40/102,833.28 = 21,844.80/x
  3. Step 3: Cross multiply
    68,558.40x = 102,833.28 × 21,844.80
  4. Step 4: Simplify right side
    68,558.40x = 2,246,372,434.94
  5. Step 5: Solve for x
    x = 2,246,372,434.94/68,558.40
  6. Step 6: Final answer
    x = 32,765.82

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