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Finding the Fourth Proportional to 223.44, 334.98 and 132.18

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Solution

The fourth proportional to 223.44, 334.98 and 132.18 is: 198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.44 : 334.98 = 132.18 : x
  2. Step 2: Convert to fraction form
    223.44/334.98 = 132.18/x
  3. Step 3: Cross multiply
    223.44x = 334.98 × 132.18
  4. Step 4: Simplify right side
    223.44x = 44,277.66
  5. Step 5: Solve for x
    x = 44,277.66/223.44
  6. Step 6: Final answer
    x = 198.16

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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.