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Finding the Fourth Proportional to 141.84, 195.82 and 92.07

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Solution

The fourth proportional to 141.84, 195.82 and 92.07 is: 127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.84 : 195.82 = 92.07 : x
  2. Step 2: Convert to fraction form
    141.84/195.82 = 92.07/x
  3. Step 3: Cross multiply
    141.84x = 195.82 × 92.07
  4. Step 4: Simplify right side
    141.84x = 18,029.44
  5. Step 5: Solve for x
    x = 18,029.44/141.84
  6. Step 6: Final answer
    x = 127.11

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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.