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Finding the Fourth Proportional to 162.65, 244.06 and 132.32

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Solution

The fourth proportional to 162.65, 244.06 and 132.32 is: 198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.65 : 244.06 = 132.32 : x
  2. Step 2: Convert to fraction form
    162.65/244.06 = 132.32/x
  3. Step 3: Cross multiply
    162.65x = 244.06 × 132.32
  4. Step 4: Simplify right side
    162.65x = 32,294.30
  5. Step 5: Solve for x
    x = 32,294.30/162.65
  6. Step 6: Final answer
    x = 198.55

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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.