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Finding the Fourth Proportional to 222.12, 332.96 and 160.43

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Solution

The fourth proportional to 222.12, 332.96 and 160.43 is: 240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.12 : 332.96 = 160.43 : x
  2. Step 2: Convert to fraction form
    222.12/332.96 = 160.43/x
  3. Step 3: Cross multiply
    222.12x = 332.96 × 160.43
  4. Step 4: Simplify right side
    222.12x = 53,414.31
  5. Step 5: Solve for x
    x = 53,414.31/222.12
  6. Step 6: Final answer
    x = 240.47

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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.