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Finding the Fourth Proportional to 363.44, 545.16 and 106.94

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Solution

The fourth proportional to 363.44, 545.16 and 106.94 is: 160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.44 : 545.16 = 106.94 : x
  2. Step 2: Convert to fraction form
    363.44/545.16 = 106.94/x
  3. Step 3: Cross multiply
    363.44x = 545.16 × 106.94
  4. Step 4: Simplify right side
    363.44x = 58,299.41
  5. Step 5: Solve for x
    x = 58,299.41/363.44
  6. Step 6: Final answer
    x = 160.41

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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.