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Finding the Fourth Proportional to 174.96, 240.92 and 160.89

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Solution

The fourth proportional to 174.96, 240.92 and 160.89 is: 221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.96 : 240.92 = 160.89 : x
  2. Step 2: Convert to fraction form
    174.96/240.92 = 160.89/x
  3. Step 3: Cross multiply
    174.96x = 240.92 × 160.89
  4. Step 4: Simplify right side
    174.96x = 38,760.81
  5. Step 5: Solve for x
    x = 38,760.81/174.96
  6. Step 6: Final answer
    x = 221.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.