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Finding the Fourth Proportional to 162.89, 244.18 and 97.73

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Solution

The fourth proportional to 162.89, 244.18 and 97.73 is: 146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.89 : 244.18 = 97.73 : x
  2. Step 2: Convert to fraction form
    162.89/244.18 = 97.73/x
  3. Step 3: Cross multiply
    162.89x = 244.18 × 97.73
  4. Step 4: Simplify right side
    162.89x = 23,862.25
  5. Step 5: Solve for x
    x = 23,862.25/162.89
  6. Step 6: Final answer
    x = 146.50

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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.