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Finding the Fourth Proportional to 163.62, 244.82 and 134.46

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Solution

The fourth proportional to 163.62, 244.82 and 134.46 is: 201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.62 : 244.82 = 134.46 : x
  2. Step 2: Convert to fraction form
    163.62/244.82 = 134.46/x
  3. Step 3: Cross multiply
    163.62x = 244.82 × 134.46
  4. Step 4: Simplify right side
    163.62x = 32,918.83
  5. Step 5: Solve for x
    x = 32,918.83/163.62
  6. Step 6: Final answer
    x = 201.19

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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.