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Finding the Fourth Proportional to 166.98, 250.76 and 160.44

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Solution

The fourth proportional to 166.98, 250.76 and 160.44 is: 240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.98 : 250.76 = 160.44 : x
  2. Step 2: Convert to fraction form
    166.98/250.76 = 160.44/x
  3. Step 3: Cross multiply
    166.98x = 250.76 × 160.44
  4. Step 4: Simplify right side
    166.98x = 40,231.93
  5. Step 5: Solve for x
    x = 40,231.93/166.98
  6. Step 6: Final answer
    x = 240.94

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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.