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Finding the Fourth Proportional to 95.03, 131.67 and 92.98

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Solution

The fourth proportional to 95.03, 131.67 and 92.98 is: 128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.03 : 131.67 = 92.98 : x
  2. Step 2: Convert to fraction form
    95.03/131.67 = 92.98/x
  3. Step 3: Cross multiply
    95.03x = 131.67 × 92.98
  4. Step 4: Simplify right side
    95.03x = 12,243.44
  5. Step 5: Solve for x
    x = 12,243.44/95.03
  6. Step 6: Final answer
    x = 128.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.