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Finding the Fourth Proportional to 95.99, 144.10 and 95.55

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Solution

The fourth proportional to 95.99, 144.10 and 95.55 is: 143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.99 : 144.10 = 95.55 : x
  2. Step 2: Convert to fraction form
    95.99/144.10 = 95.55/x
  3. Step 3: Cross multiply
    95.99x = 144.10 × 95.55
  4. Step 4: Simplify right side
    95.99x = 13,768.76
  5. Step 5: Solve for x
    x = 13,768.76/95.99
  6. Step 6: Final answer
    x = 143.44

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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.