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Finding the Fourth Proportional to 95.25, 142.69 and 46.44

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Solution

The fourth proportional to 95.25, 142.69 and 46.44 is: 69.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.25 : 142.69 = 46.44 : x
  2. Step 2: Convert to fraction form
    95.25/142.69 = 46.44/x
  3. Step 3: Cross multiply
    95.25x = 142.69 × 46.44
  4. Step 4: Simplify right side
    95.25x = 6,626.52
  5. Step 5: Solve for x
    x = 6,626.52/95.25
  6. Step 6: Final answer
    x = 69.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.