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Finding the Fourth Proportional to 175.57, 263.69 and 107.22

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Solution

The fourth proportional to 175.57, 263.69 and 107.22 is: 161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.57 : 263.69 = 107.22 : x
  2. Step 2: Convert to fraction form
    175.57/263.69 = 107.22/x
  3. Step 3: Cross multiply
    175.57x = 263.69 × 107.22
  4. Step 4: Simplify right side
    175.57x = 28,273.70
  5. Step 5: Solve for x
    x = 28,273.70/175.57
  6. Step 6: Final answer
    x = 161.04

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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.