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Finding the Fourth Proportional to 162.65, 224.46 and 96.27

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Solution

The fourth proportional to 162.65, 224.46 and 96.27 is: 132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.65 : 224.46 = 96.27 : x
  2. Step 2: Convert to fraction form
    162.65/224.46 = 96.27/x
  3. Step 3: Cross multiply
    162.65x = 224.46 × 96.27
  4. Step 4: Simplify right side
    162.65x = 21,607.92
  5. Step 5: Solve for x
    x = 21,607.92/162.65
  6. Step 6: Final answer
    x = 132.85

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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.