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Finding the Fourth Proportional to 95.52, 144.07 and 92.45

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Solution

The fourth proportional to 95.52, 144.07 and 92.45 is: 139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.52 : 144.07 = 92.45 : x
  2. Step 2: Convert to fraction form
    95.52/144.07 = 92.45/x
  3. Step 3: Cross multiply
    95.52x = 144.07 × 92.45
  4. Step 4: Simplify right side
    95.52x = 13,318.55
  5. Step 5: Solve for x
    x = 13,318.55/95.52
  6. Step 6: Final answer
    x = 139.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.