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Finding the Fourth Proportional to 196.91, 295.19 and 166.67

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Solution

The fourth proportional to 196.91, 295.19 and 166.67 is: 249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.91 : 295.19 = 166.67 : x
  2. Step 2: Convert to fraction form
    196.91/295.19 = 166.67/x
  3. Step 3: Cross multiply
    196.91x = 295.19 × 166.67
  4. Step 4: Simplify right side
    196.91x = 49,198.48
  5. Step 5: Solve for x
    x = 49,198.48/196.91
  6. Step 6: Final answer
    x = 249.85

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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.