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Finding the Fourth Proportional to 173.48, 238 and 168.92

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Solution

The fourth proportional to 173.48, 238 and 168.92 is: 231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.48 : 238 = 168.92 : x
  2. Step 2: Convert to fraction form
    173.48/238 = 168.92/x
  3. Step 3: Cross multiply
    173.48x = 238 × 168.92
  4. Step 4: Simplify right side
    173.48x = 40,202.96
  5. Step 5: Solve for x
    x = 40,202.96/173.48
  6. Step 6: Final answer
    x = 231.74

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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.