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Finding the Fourth Proportional to 141.55, 195.24 and 92.41

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Solution

The fourth proportional to 141.55, 195.24 and 92.41 is: 127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.55 : 195.24 = 92.41 : x
  2. Step 2: Convert to fraction form
    141.55/195.24 = 92.41/x
  3. Step 3: Cross multiply
    141.55x = 195.24 × 92.41
  4. Step 4: Simplify right side
    141.55x = 18,041.99
  5. Step 5: Solve for x
    x = 18,041.99/141.55
  6. Step 6: Final answer
    x = 127.46

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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.