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Finding the Fourth Proportional to 95.95, 144.15 and 93.68

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Solution

The fourth proportional to 95.95, 144.15 and 93.68 is: 140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.95 : 144.15 = 93.68 : x
  2. Step 2: Convert to fraction form
    95.95/144.15 = 93.68/x
  3. Step 3: Cross multiply
    95.95x = 144.15 × 93.68
  4. Step 4: Simplify right side
    95.95x = 13,503.97
  5. Step 5: Solve for x
    x = 13,503.97/95.95
  6. Step 6: Final answer
    x = 140.74

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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.