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Finding the Fourth Proportional to 163.33, 244.51 and 124.96

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Solution

The fourth proportional to 163.33, 244.51 and 124.96 is: 187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.33 : 244.51 = 124.96 : x
  2. Step 2: Convert to fraction form
    163.33/244.51 = 124.96/x
  3. Step 3: Cross multiply
    163.33x = 244.51 × 124.96
  4. Step 4: Simplify right side
    163.33x = 30,553.97
  5. Step 5: Solve for x
    x = 30,553.97/163.33
  6. Step 6: Final answer
    x = 187.07

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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.