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Finding the Fourth Proportional to 162.84, 244.38 and 97.92

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Solution

The fourth proportional to 162.84, 244.38 and 97.92 is: 146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.84 : 244.38 = 97.92 : x
  2. Step 2: Convert to fraction form
    162.84/244.38 = 97.92/x
  3. Step 3: Cross multiply
    162.84x = 244.38 × 97.92
  4. Step 4: Simplify right side
    162.84x = 23,929.69
  5. Step 5: Solve for x
    x = 23,929.69/162.84
  6. Step 6: Final answer
    x = 146.95

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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.