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Finding the Fourth Proportional to 167.57, 250.75 and 147.53

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Solution

The fourth proportional to 167.57, 250.75 and 147.53 is: 220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.57 : 250.75 = 147.53 : x
  2. Step 2: Convert to fraction form
    167.57/250.75 = 147.53/x
  3. Step 3: Cross multiply
    167.57x = 250.75 × 147.53
  4. Step 4: Simplify right side
    167.57x = 36,993.15
  5. Step 5: Solve for x
    x = 36,993.15/167.57
  6. Step 6: Final answer
    x = 220.76

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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.