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Finding the Fourth Proportional to 244.68, 366.96 and 107.76

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Solution

The fourth proportional to 244.68, 366.96 and 107.76 is: 161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.68 : 366.96 = 107.76 : x
  2. Step 2: Convert to fraction form
    244.68/366.96 = 107.76/x
  3. Step 3: Cross multiply
    244.68x = 366.96 × 107.76
  4. Step 4: Simplify right side
    244.68x = 39,543.61
  5. Step 5: Solve for x
    x = 39,543.61/244.68
  6. Step 6: Final answer
    x = 161.61

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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.