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Finding the Fourth Proportional to 141.56, 195.32 and 110.48

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Solution

The fourth proportional to 141.56, 195.32 and 110.48 is: 152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.56 : 195.32 = 110.48 : x
  2. Step 2: Convert to fraction form
    141.56/195.32 = 110.48/x
  3. Step 3: Cross multiply
    141.56x = 195.32 × 110.48
  4. Step 4: Simplify right side
    141.56x = 21,578.25
  5. Step 5: Solve for x
    x = 21,578.25/141.56
  6. Step 6: Final answer
    x = 152.43

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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.