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Finding the Fourth Proportional to 192.07, 288.16 and 110.73

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Solution

The fourth proportional to 192.07, 288.16 and 110.73 is: 166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.07 : 288.16 = 110.73 : x
  2. Step 2: Convert to fraction form
    192.07/288.16 = 110.73/x
  3. Step 3: Cross multiply
    192.07x = 288.16 × 110.73
  4. Step 4: Simplify right side
    192.07x = 31,908.76
  5. Step 5: Solve for x
    x = 31,908.76/192.07
  6. Step 6: Final answer
    x = 166.13

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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.