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Finding the Fourth Proportional to 141.50, 195.27 and 92.46

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Solution

The fourth proportional to 141.50, 195.27 and 92.46 is: 127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.50 : 195.27 = 92.46 : x
  2. Step 2: Convert to fraction form
    141.50/195.27 = 92.46/x
  3. Step 3: Cross multiply
    141.50x = 195.27 × 92.46
  4. Step 4: Simplify right side
    141.50x = 18,054.66
  5. Step 5: Solve for x
    x = 18,054.66/141.50
  6. Step 6: Final answer
    x = 127.59

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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.