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Finding the Fourth Proportional to 174.44, 238.82 and 168.30

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Solution

The fourth proportional to 174.44, 238.82 and 168.30 is: 230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.44 : 238.82 = 168.30 : x
  2. Step 2: Convert to fraction form
    174.44/238.82 = 168.30/x
  3. Step 3: Cross multiply
    174.44x = 238.82 × 168.30
  4. Step 4: Simplify right side
    174.44x = 40,192.56
  5. Step 5: Solve for x
    x = 40,192.56/174.44
  6. Step 6: Final answer
    x = 230.41

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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.