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Finding the Fourth Proportional to 246.33, 339.91 and 141.44

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Solution

The fourth proportional to 246.33, 339.91 and 141.44 is: 195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.33 : 339.91 = 141.44 : x
  2. Step 2: Convert to fraction form
    246.33/339.91 = 141.44/x
  3. Step 3: Cross multiply
    246.33x = 339.91 × 141.44
  4. Step 4: Simplify right side
    246.33x = 48,076.87
  5. Step 5: Solve for x
    x = 48,076.87/246.33
  6. Step 6: Final answer
    x = 195.17

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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.