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Finding the Fourth Proportional to 95.57, 131.93 and 73.83

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Solution

The fourth proportional to 95.57, 131.93 and 73.83 is: 101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.57 : 131.93 = 73.83 : x
  2. Step 2: Convert to fraction form
    95.57/131.93 = 73.83/x
  3. Step 3: Cross multiply
    95.57x = 131.93 × 73.83
  4. Step 4: Simplify right side
    95.57x = 9,740.39
  5. Step 5: Solve for x
    x = 9,740.39/95.57
  6. Step 6: Final answer
    x = 101.92

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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.