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Finding the Fourth Proportional to 192.01, 287.87 and 95.89

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Solution

The fourth proportional to 192.01, 287.87 and 95.89 is: 143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.01 : 287.87 = 95.89 : x
  2. Step 2: Convert to fraction form
    192.01/287.87 = 95.89/x
  3. Step 3: Cross multiply
    192.01x = 287.87 × 95.89
  4. Step 4: Simplify right side
    192.01x = 27,601.94
  5. Step 5: Solve for x
    x = 27,601.94/192.01
  6. Step 6: Final answer
    x = 143.76

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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.