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Finding the Fourth Proportional to 232.22, 320.46 and 132.65

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Solution

The fourth proportional to 232.22, 320.46 and 132.65 is: 183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.22 : 320.46 = 132.65 : x
  2. Step 2: Convert to fraction form
    232.22/320.46 = 132.65/x
  3. Step 3: Cross multiply
    232.22x = 320.46 × 132.65
  4. Step 4: Simplify right side
    232.22x = 42,509.02
  5. Step 5: Solve for x
    x = 42,509.02/232.22
  6. Step 6: Final answer
    x = 183.05

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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.