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Finding the Fourth Proportional to 174.53, 261.89 and 160.76

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Solution

The fourth proportional to 174.53, 261.89 and 160.76 is: 241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.53 : 261.89 = 160.76 : x
  2. Step 2: Convert to fraction form
    174.53/261.89 = 160.76/x
  3. Step 3: Cross multiply
    174.53x = 261.89 × 160.76
  4. Step 4: Simplify right side
    174.53x = 42,101.44
  5. Step 5: Solve for x
    x = 42,101.44/174.53
  6. Step 6: Final answer
    x = 241.23

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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.