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Finding the Fourth Proportional to 236.97, 326.97 and 171.36

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Solution

The fourth proportional to 236.97, 326.97 and 171.36 is: 236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.97 : 326.97 = 171.36 : x
  2. Step 2: Convert to fraction form
    236.97/326.97 = 171.36/x
  3. Step 3: Cross multiply
    236.97x = 326.97 × 171.36
  4. Step 4: Simplify right side
    236.97x = 56,029.58
  5. Step 5: Solve for x
    x = 56,029.58/236.97
  6. Step 6: Final answer
    x = 236.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.