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Finding the Fourth Proportional to 242.46, 363.30 and 96.12

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Solution

The fourth proportional to 242.46, 363.30 and 96.12 is: 144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.46 : 363.30 = 96.12 : x
  2. Step 2: Convert to fraction form
    242.46/363.30 = 96.12/x
  3. Step 3: Cross multiply
    242.46x = 363.30 × 96.12
  4. Step 4: Simplify right side
    242.46x = 34,920.04
  5. Step 5: Solve for x
    x = 34,920.04/242.46
  6. Step 6: Final answer
    x = 144.02

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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.