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Finding the Fourth Proportional to 197.37, 296.13 and 89.24

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Solution

The fourth proportional to 197.37, 296.13 and 89.24 is: 133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.37 : 296.13 = 89.24 : x
  2. Step 2: Convert to fraction form
    197.37/296.13 = 89.24/x
  3. Step 3: Cross multiply
    197.37x = 296.13 × 89.24
  4. Step 4: Simplify right side
    197.37x = 26,425.16
  5. Step 5: Solve for x
    x = 26,425.16/197.37
  6. Step 6: Final answer
    x = 133.89

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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.