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Finding the Fourth Proportional to 167.27, 250.85 and 64.53

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Solution

The fourth proportional to 167.27, 250.85 and 64.53 is: 96.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.27 : 250.85 = 64.53 : x
  2. Step 2: Convert to fraction form
    167.27/250.85 = 64.53/x
  3. Step 3: Cross multiply
    167.27x = 250.85 × 64.53
  4. Step 4: Simplify right side
    167.27x = 16,186.83
  5. Step 5: Solve for x
    x = 16,186.83/167.27
  6. Step 6: Final answer
    x = 96.77

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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.