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Finding the Fourth Proportional to 141.23, 194.96 and 92.09

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Solution

The fourth proportional to 141.23, 194.96 and 92.09 is: 127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.23 : 194.96 = 92.09 : x
  2. Step 2: Convert to fraction form
    141.23/194.96 = 92.09/x
  3. Step 3: Cross multiply
    141.23x = 194.96 × 92.09
  4. Step 4: Simplify right side
    141.23x = 17,953.87
  5. Step 5: Solve for x
    x = 17,953.87/141.23
  6. Step 6: Final answer
    x = 127.13

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