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Finding the Fourth Proportional to 163.24, 244.89 and 55.03

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Solution

The fourth proportional to 163.24, 244.89 and 55.03 is: 82.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.24 : 244.89 = 55.03 : x
  2. Step 2: Convert to fraction form
    163.24/244.89 = 55.03/x
  3. Step 3: Cross multiply
    163.24x = 244.89 × 55.03
  4. Step 4: Simplify right side
    163.24x = 13,476.30
  5. Step 5: Solve for x
    x = 13,476.30/163.24
  6. Step 6: Final answer
    x = 82.56

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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.