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Finding the Fourth Proportional to 167.91, 252.09 and 106.86

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Solution

The fourth proportional to 167.91, 252.09 and 106.86 is: 160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.91 : 252.09 = 106.86 : x
  2. Step 2: Convert to fraction form
    167.91/252.09 = 106.86/x
  3. Step 3: Cross multiply
    167.91x = 252.09 × 106.86
  4. Step 4: Simplify right side
    167.91x = 26,938.34
  5. Step 5: Solve for x
    x = 26,938.34/167.91
  6. Step 6: Final answer
    x = 160.43

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