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Finding the Fourth Proportional to 111.81, 167.72 and 63.08

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Solution

The fourth proportional to 111.81, 167.72 and 63.08 is: 94.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.81 : 167.72 = 63.08 : x
  2. Step 2: Convert to fraction form
    111.81/167.72 = 63.08/x
  3. Step 3: Cross multiply
    111.81x = 167.72 × 63.08
  4. Step 4: Simplify right side
    111.81x = 10,579.61
  5. Step 5: Solve for x
    x = 10,579.61/111.81
  6. Step 6: Final answer
    x = 94.62

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