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Finding the Fourth Proportional to 95.42, 142.44 and 92.04

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Solution

The fourth proportional to 95.42, 142.44 and 92.04 is: 137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.42 : 142.44 = 92.04 : x
  2. Step 2: Convert to fraction form
    95.42/142.44 = 92.04/x
  3. Step 3: Cross multiply
    95.42x = 142.44 × 92.04
  4. Step 4: Simplify right side
    95.42x = 13,110.52
  5. Step 5: Solve for x
    x = 13,110.52/95.42
  6. Step 6: Final answer
    x = 137.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.