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Finding the Fourth Proportional to 174.28, 261.02 and 160.96

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Solution

The fourth proportional to 174.28, 261.02 and 160.96 is: 241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.28 : 261.02 = 160.96 : x
  2. Step 2: Convert to fraction form
    174.28/261.02 = 160.96/x
  3. Step 3: Cross multiply
    174.28x = 261.02 × 160.96
  4. Step 4: Simplify right side
    174.28x = 42,013.78
  5. Step 5: Solve for x
    x = 42,013.78/174.28
  6. Step 6: Final answer
    x = 241.07

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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.