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Finding the Fourth Proportional to 163.27, 244.91 and 60.55

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Solution

The fourth proportional to 163.27, 244.91 and 60.55 is: 90.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.27 : 244.91 = 60.55 : x
  2. Step 2: Convert to fraction form
    163.27/244.91 = 60.55/x
  3. Step 3: Cross multiply
    163.27x = 244.91 × 60.55
  4. Step 4: Simplify right side
    163.27x = 14,829.30
  5. Step 5: Solve for x
    x = 14,829.30/163.27
  6. Step 6: Final answer
    x = 90.83

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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.