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Finding the Fourth Proportional to 233.92, 350.34 and 161.56

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Solution

The fourth proportional to 233.92, 350.34 and 161.56 is: 241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.92 : 350.34 = 161.56 : x
  2. Step 2: Convert to fraction form
    233.92/350.34 = 161.56/x
  3. Step 3: Cross multiply
    233.92x = 350.34 × 161.56
  4. Step 4: Simplify right side
    233.92x = 56,600.93
  5. Step 5: Solve for x
    x = 56,600.93/233.92
  6. Step 6: Final answer
    x = 241.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.