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Finding the Fourth Proportional to 163.48, 244.95 and 102.44

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Solution

The fourth proportional to 163.48, 244.95 and 102.44 is: 153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.48 : 244.95 = 102.44 : x
  2. Step 2: Convert to fraction form
    163.48/244.95 = 102.44/x
  3. Step 3: Cross multiply
    163.48x = 244.95 × 102.44
  4. Step 4: Simplify right side
    163.48x = 25,092.68
  5. Step 5: Solve for x
    x = 25,092.68/163.48
  6. Step 6: Final answer
    x = 153.49

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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.