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Finding the Fourth Proportional to 242.22, 363.33 and 97.94

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Solution

The fourth proportional to 242.22, 363.33 and 97.94 is: 146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.22 : 363.33 = 97.94 : x
  2. Step 2: Convert to fraction form
    242.22/363.33 = 97.94/x
  3. Step 3: Cross multiply
    242.22x = 363.33 × 97.94
  4. Step 4: Simplify right side
    242.22x = 35,584.54
  5. Step 5: Solve for x
    x = 35,584.54/242.22
  6. Step 6: Final answer
    x = 146.91

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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.