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Finding the Fourth Proportional to 197.44, 296.12 and 67.43

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Solution

The fourth proportional to 197.44, 296.12 and 67.43 is: 101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.44 : 296.12 = 67.43 : x
  2. Step 2: Convert to fraction form
    197.44/296.12 = 67.43/x
  3. Step 3: Cross multiply
    197.44x = 296.12 × 67.43
  4. Step 4: Simplify right side
    197.44x = 19,967.37
  5. Step 5: Solve for x
    x = 19,967.37/197.44
  6. Step 6: Final answer
    x = 101.13

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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.