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Finding the Fourth Proportional to 222.80, 334.58 and 167.96

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Solution

The fourth proportional to 222.80, 334.58 and 167.96 is: 252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.80 : 334.58 = 167.96 : x
  2. Step 2: Convert to fraction form
    222.80/334.58 = 167.96/x
  3. Step 3: Cross multiply
    222.80x = 334.58 × 167.96
  4. Step 4: Simplify right side
    222.80x = 56,196.05
  5. Step 5: Solve for x
    x = 56,196.05/222.80
  6. Step 6: Final answer
    x = 252.22

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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.