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Finding the Fourth Proportional to 275.92, 414.08 and 160.56

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Solution

The fourth proportional to 275.92, 414.08 and 160.56 is: 240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.92 : 414.08 = 160.56 : x
  2. Step 2: Convert to fraction form
    275.92/414.08 = 160.56/x
  3. Step 3: Cross multiply
    275.92x = 414.08 × 160.56
  4. Step 4: Simplify right side
    275.92x = 66,484.68
  5. Step 5: Solve for x
    x = 66,484.68/275.92
  6. Step 6: Final answer
    x = 240.96

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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.