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Finding the Fourth Proportional to 94.01, 140.94 and 39.94

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Solution

The fourth proportional to 94.01, 140.94 and 39.94 is: 59.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.01 : 140.94 = 39.94 : x
  2. Step 2: Convert to fraction form
    94.01/140.94 = 39.94/x
  3. Step 3: Cross multiply
    94.01x = 140.94 × 39.94
  4. Step 4: Simplify right side
    94.01x = 5,629.58
  5. Step 5: Solve for x
    x = 5,629.58/94.01
  6. Step 6: Final answer
    x = 59.88

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