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Finding the Fourth Proportional to 174.74, 239.52 and 174.44

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Solution

The fourth proportional to 174.74, 239.52 and 174.44 is: 239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.74 : 239.52 = 174.44 : x
  2. Step 2: Convert to fraction form
    174.74/239.52 = 174.44/x
  3. Step 3: Cross multiply
    174.74x = 239.52 × 174.44
  4. Step 4: Simplify right side
    174.74x = 41,780.67
  5. Step 5: Solve for x
    x = 41,780.67/174.74
  6. Step 6: Final answer
    x = 239.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.