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Finding the Fourth Proportional to 269.22, 371.64 and 171

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Solution

The fourth proportional to 269.22, 371.64 and 171 is: 236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.22 : 371.64 = 171 : x
  2. Step 2: Convert to fraction form
    269.22/371.64 = 171/x
  3. Step 3: Cross multiply
    269.22x = 371.64 × 171
  4. Step 4: Simplify right side
    269.22x = 63,550.44
  5. Step 5: Solve for x
    x = 63,550.44/269.22
  6. Step 6: Final answer
    x = 236.05

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