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Finding the Fourth Proportional to 163.11, 244.76 and 60.46

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Solution

The fourth proportional to 163.11, 244.76 and 60.46 is: 90.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.11 : 244.76 = 60.46 : x
  2. Step 2: Convert to fraction form
    163.11/244.76 = 60.46/x
  3. Step 3: Cross multiply
    163.11x = 244.76 × 60.46
  4. Step 4: Simplify right side
    163.11x = 14,798.96
  5. Step 5: Solve for x
    x = 14,798.96/163.11
  6. Step 6: Final answer
    x = 90.73

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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.