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Finding the Fourth Proportional to 222.75, 334.22 and 107.19

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Solution

The fourth proportional to 222.75, 334.22 and 107.19 is: 160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.75 : 334.22 = 107.19 : x
  2. Step 2: Convert to fraction form
    222.75/334.22 = 107.19/x
  3. Step 3: Cross multiply
    222.75x = 334.22 × 107.19
  4. Step 4: Simplify right side
    222.75x = 35,824.51
  5. Step 5: Solve for x
    x = 35,824.51/222.75
  6. Step 6: Final answer
    x = 160.83

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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.