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Finding the Fourth Proportional to 163.06, 244.73 and 109.02

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Solution

The fourth proportional to 163.06, 244.73 and 109.02 is: 163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.06 : 244.73 = 109.02 : x
  2. Step 2: Convert to fraction form
    163.06/244.73 = 109.02/x
  3. Step 3: Cross multiply
    163.06x = 244.73 × 109.02
  4. Step 4: Simplify right side
    163.06x = 26,680.46
  5. Step 5: Solve for x
    x = 26,680.46/163.06
  6. Step 6: Final answer
    x = 163.62

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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.