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Finding the Fourth Proportional to 192.22, 287.97 and 96.10

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Solution

The fourth proportional to 192.22, 287.97 and 96.10 is: 143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.22 : 287.97 = 96.10 : x
  2. Step 2: Convert to fraction form
    192.22/287.97 = 96.10/x
  3. Step 3: Cross multiply
    192.22x = 287.97 × 96.10
  4. Step 4: Simplify right side
    192.22x = 27,673.92
  5. Step 5: Solve for x
    x = 27,673.92/192.22
  6. Step 6: Final answer
    x = 143.97

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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.