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Finding the Fourth Proportional to 161.52, 222.51 and 132.36

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Solution

The fourth proportional to 161.52, 222.51 and 132.36 is: 182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.52 : 222.51 = 132.36 : x
  2. Step 2: Convert to fraction form
    161.52/222.51 = 132.36/x
  3. Step 3: Cross multiply
    161.52x = 222.51 × 132.36
  4. Step 4: Simplify right side
    161.52x = 29,451.42
  5. Step 5: Solve for x
    x = 29,451.42/161.52
  6. Step 6: Final answer
    x = 182.34

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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.