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Finding the Fourth Proportional to 223.14, 334.32 and 107.43

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Solution

The fourth proportional to 223.14, 334.32 and 107.43 is: 160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.14 : 334.32 = 107.43 : x
  2. Step 2: Convert to fraction form
    223.14/334.32 = 107.43/x
  3. Step 3: Cross multiply
    223.14x = 334.32 × 107.43
  4. Step 4: Simplify right side
    223.14x = 35,916.00
  5. Step 5: Solve for x
    x = 35,916.00/223.14
  6. Step 6: Final answer
    x = 160.96

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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.