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Finding the Fourth Proportional to 82.55, 123.82 and 41.97

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Solution

The fourth proportional to 82.55, 123.82 and 41.97 is: 62.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.55 : 123.82 = 41.97 : x
  2. Step 2: Convert to fraction form
    82.55/123.82 = 41.97/x
  3. Step 3: Cross multiply
    82.55x = 123.82 × 41.97
  4. Step 4: Simplify right side
    82.55x = 5,196.73
  5. Step 5: Solve for x
    x = 5,196.73/82.55
  6. Step 6: Final answer
    x = 62.95

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