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Finding the Fourth Proportional to 163.36, 244.56 and 106.24

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Solution

The fourth proportional to 163.36, 244.56 and 106.24 is: 159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.36 : 244.56 = 106.24 : x
  2. Step 2: Convert to fraction form
    163.36/244.56 = 106.24/x
  3. Step 3: Cross multiply
    163.36x = 244.56 × 106.24
  4. Step 4: Simplify right side
    163.36x = 25,982.05
  5. Step 5: Solve for x
    x = 25,982.05/163.36
  6. Step 6: Final answer
    x = 159.05

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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.