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Finding the Fourth Proportional to 242.24, 363.48 and 97.96

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Solution

The fourth proportional to 242.24, 363.48 and 97.96 is: 146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.24 : 363.48 = 97.96 : x
  2. Step 2: Convert to fraction form
    242.24/363.48 = 97.96/x
  3. Step 3: Cross multiply
    242.24x = 363.48 × 97.96
  4. Step 4: Simplify right side
    242.24x = 35,606.50
  5. Step 5: Solve for x
    x = 35,606.50/242.24
  6. Step 6: Final answer
    x = 146.99

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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.