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Finding the Fourth Proportional to 252.44, 348.36 and 141.94

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Solution

The fourth proportional to 252.44, 348.36 and 141.94 is: 195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.44 : 348.36 = 141.94 : x
  2. Step 2: Convert to fraction form
    252.44/348.36 = 141.94/x
  3. Step 3: Cross multiply
    252.44x = 348.36 × 141.94
  4. Step 4: Simplify right side
    252.44x = 49,444.48
  5. Step 5: Solve for x
    x = 49,444.48/252.44
  6. Step 6: Final answer
    x = 195.87

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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.