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Finding the Fourth Proportional to 242.46, 363.96 and 160.56

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Solution

The fourth proportional to 242.46, 363.96 and 160.56 is: 241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.46 : 363.96 = 160.56 : x
  2. Step 2: Convert to fraction form
    242.46/363.96 = 160.56/x
  3. Step 3: Cross multiply
    242.46x = 363.96 × 160.56
  4. Step 4: Simplify right side
    242.46x = 58,437.42
  5. Step 5: Solve for x
    x = 58,437.42/242.46
  6. Step 6: Final answer
    x = 241.02

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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.