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Finding the Fourth Proportional to 192.93, 266.22 and 119.28

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Solution

The fourth proportional to 192.93, 266.22 and 119.28 is: 164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.93 : 266.22 = 119.28 : x
  2. Step 2: Convert to fraction form
    192.93/266.22 = 119.28/x
  3. Step 3: Cross multiply
    192.93x = 266.22 × 119.28
  4. Step 4: Simplify right side
    192.93x = 31,754.72
  5. Step 5: Solve for x
    x = 31,754.72/192.93
  6. Step 6: Final answer
    x = 164.59

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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.