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Finding the Fourth Proportional to 197.62, 296.22 and 94.83

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Solution

The fourth proportional to 197.62, 296.22 and 94.83 is: 142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.62 : 296.22 = 94.83 : x
  2. Step 2: Convert to fraction form
    197.62/296.22 = 94.83/x
  3. Step 3: Cross multiply
    197.62x = 296.22 × 94.83
  4. Step 4: Simplify right side
    197.62x = 28,089.06
  5. Step 5: Solve for x
    x = 28,089.06/197.62
  6. Step 6: Final answer
    x = 142.14

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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.