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Finding the Fourth Proportional to 197.22, 296.00 and 166.56

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Solution

The fourth proportional to 197.22, 296.00 and 166.56 is: 249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.22 : 296.00 = 166.56 : x
  2. Step 2: Convert to fraction form
    197.22/296.00 = 166.56/x
  3. Step 3: Cross multiply
    197.22x = 296.00 × 166.56
  4. Step 4: Simplify right side
    197.22x = 49,300.93
  5. Step 5: Solve for x
    x = 49,300.93/197.22
  6. Step 6: Final answer
    x = 249.98

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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.