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Finding the Fourth Proportional to 95.77, 131.95 and 95.59

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Solution

The fourth proportional to 95.77, 131.95 and 95.59 is: 131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.77 : 131.95 = 95.59 : x
  2. Step 2: Convert to fraction form
    95.77/131.95 = 95.59/x
  3. Step 3: Cross multiply
    95.77x = 131.95 × 95.59
  4. Step 4: Simplify right side
    95.77x = 12,613.10
  5. Step 5: Solve for x
    x = 12,613.10/95.77
  6. Step 6: Final answer
    x = 131.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.