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Finding the Fourth Proportional to 242.96, 363.83 and 174.92

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Solution

The fourth proportional to 242.96, 363.83 and 174.92 is: 261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.96 : 363.83 = 174.92 : x
  2. Step 2: Convert to fraction form
    242.96/363.83 = 174.92/x
  3. Step 3: Cross multiply
    242.96x = 363.83 × 174.92
  4. Step 4: Simplify right side
    242.96x = 63,638.45
  5. Step 5: Solve for x
    x = 63,638.45/242.96
  6. Step 6: Final answer
    x = 261.94

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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.