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Finding the Fourth Proportional to 162.33, 224.01 and 96.82

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Solution

The fourth proportional to 162.33, 224.01 and 96.82 is: 133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.33 : 224.01 = 96.82 : x
  2. Step 2: Convert to fraction form
    162.33/224.01 = 96.82/x
  3. Step 3: Cross multiply
    162.33x = 224.01 × 96.82
  4. Step 4: Simplify right side
    162.33x = 21,688.65
  5. Step 5: Solve for x
    x = 21,688.65/162.33
  6. Step 6: Final answer
    x = 133.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.