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Finding the Fourth Proportional to 252.22, 348.01 and 141.69

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Solution

The fourth proportional to 252.22, 348.01 and 141.69 is: 195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.22 : 348.01 = 141.69 : x
  2. Step 2: Convert to fraction form
    252.22/348.01 = 141.69/x
  3. Step 3: Cross multiply
    252.22x = 348.01 × 141.69
  4. Step 4: Simplify right side
    252.22x = 49,309.54
  5. Step 5: Solve for x
    x = 49,309.54/252.22
  6. Step 6: Final answer
    x = 195.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.