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Finding the Fourth Proportional to 163.27, 244.79 and 60.56

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Solution

The fourth proportional to 163.27, 244.79 and 60.56 is: 90.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.27 : 244.79 = 60.56 : x
  2. Step 2: Convert to fraction form
    163.27/244.79 = 60.56/x
  3. Step 3: Cross multiply
    163.27x = 244.79 × 60.56
  4. Step 4: Simplify right side
    163.27x = 14,824.27
  5. Step 5: Solve for x
    x = 14,824.27/163.27
  6. Step 6: Final answer
    x = 90.79

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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.