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Finding the Fourth Proportional to 54,778.41, 82,168.20 and 17,337.78

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Solution

The fourth proportional to 54,778.41, 82,168.20 and 17,337.78 is: 26,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.41 : 82,168.20 = 17,337.78 : x
  2. Step 2: Convert to fraction form
    54,778.41/82,168.20 = 17,337.78/x
  3. Step 3: Cross multiply
    54,778.41x = 82,168.20 × 17,337.78
  4. Step 4: Simplify right side
    54,778.41x = 1,424,614,174.60
  5. Step 5: Solve for x
    x = 1,424,614,174.60/54,778.41
  6. Step 6: Final answer
    x = 26,006.86

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