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Finding the Fourth Proportional to 95.94, 144.52 and 94.68

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Solution

The fourth proportional to 95.94, 144.52 and 94.68 is: 142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.94 : 144.52 = 94.68 : x
  2. Step 2: Convert to fraction form
    95.94/144.52 = 94.68/x
  3. Step 3: Cross multiply
    95.94x = 144.52 × 94.68
  4. Step 4: Simplify right side
    95.94x = 13,682.68
  5. Step 5: Solve for x
    x = 13,682.68/95.94
  6. Step 6: Final answer
    x = 142.62

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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.