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Finding the Fourth Proportional to 171.67, 237 and 109.54

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Solution

The fourth proportional to 171.67, 237 and 109.54 is: 151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.67 : 237 = 109.54 : x
  2. Step 2: Convert to fraction form
    171.67/237 = 109.54/x
  3. Step 3: Cross multiply
    171.67x = 237 × 109.54
  4. Step 4: Simplify right side
    171.67x = 25,960.98
  5. Step 5: Solve for x
    x = 25,960.98/171.67
  6. Step 6: Final answer
    x = 151.23

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