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Finding the Fourth Proportional to 242.67, 363.88 and 96.29

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Solution

The fourth proportional to 242.67, 363.88 and 96.29 is: 144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.67 : 363.88 = 96.29 : x
  2. Step 2: Convert to fraction form
    242.67/363.88 = 96.29/x
  3. Step 3: Cross multiply
    242.67x = 363.88 × 96.29
  4. Step 4: Simplify right side
    242.67x = 35,035.70
  5. Step 5: Solve for x
    x = 35,035.70/242.67
  6. Step 6: Final answer
    x = 144.38

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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.