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Finding the Fourth Proportional to 163.32, 244.50 and 124.96

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Solution

The fourth proportional to 163.32, 244.50 and 124.96 is: 187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.32 : 244.50 = 124.96 : x
  2. Step 2: Convert to fraction form
    163.32/244.50 = 124.96/x
  3. Step 3: Cross multiply
    163.32x = 244.50 × 124.96
  4. Step 4: Simplify right side
    163.32x = 30,552.72
  5. Step 5: Solve for x
    x = 30,552.72/163.32
  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.