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Finding the Fourth Proportional to 242.12, 363.16 and 134

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Solution

The fourth proportional to 242.12, 363.16 and 134 is: 200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.12 : 363.16 = 134 : x
  2. Step 2: Convert to fraction form
    242.12/363.16 = 134/x
  3. Step 3: Cross multiply
    242.12x = 363.16 × 134
  4. Step 4: Simplify right side
    242.12x = 48,663.44
  5. Step 5: Solve for x
    x = 48,663.44/242.12
  6. Step 6: Final answer
    x = 200.99

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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.