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Finding the Fourth Proportional to 174.33, 241.61 and 171.09

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Solution

The fourth proportional to 174.33, 241.61 and 171.09 is: 237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.33 : 241.61 = 171.09 : x
  2. Step 2: Convert to fraction form
    174.33/241.61 = 171.09/x
  3. Step 3: Cross multiply
    174.33x = 241.61 × 171.09
  4. Step 4: Simplify right side
    174.33x = 41,336.20
  5. Step 5: Solve for x
    x = 41,336.20/174.33
  6. Step 6: Final answer
    x = 237.11

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.