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Finding the Fourth Proportional to 197.44, 272.33 and 168.01

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Solution

The fourth proportional to 197.44, 272.33 and 168.01 is: 231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.44 : 272.33 = 168.01 : x
  2. Step 2: Convert to fraction form
    197.44/272.33 = 168.01/x
  3. Step 3: Cross multiply
    197.44x = 272.33 × 168.01
  4. Step 4: Simplify right side
    197.44x = 45,753.27
  5. Step 5: Solve for x
    x = 45,753.27/197.44
  6. Step 6: Final answer
    x = 231.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.