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Finding the Fourth Proportional to 252.36, 348.25 and 141.84

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Solution

The fourth proportional to 252.36, 348.25 and 141.84 is: 195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.36 : 348.25 = 141.84 : x
  2. Step 2: Convert to fraction form
    252.36/348.25 = 141.84/x
  3. Step 3: Cross multiply
    252.36x = 348.25 × 141.84
  4. Step 4: Simplify right side
    252.36x = 49,395.07
  5. Step 5: Solve for x
    x = 49,395.07/252.36
  6. Step 6: Final answer
    x = 195.73

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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.