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Finding the Fourth Proportional to 192.88, 265.98 and 119.17

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Solution

The fourth proportional to 192.88, 265.98 and 119.17 is: 164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.88 : 265.98 = 119.17 : x
  2. Step 2: Convert to fraction form
    192.88/265.98 = 119.17/x
  3. Step 3: Cross multiply
    192.88x = 265.98 × 119.17
  4. Step 4: Simplify right side
    192.88x = 31,696.84
  5. Step 5: Solve for x
    x = 31,696.84/192.88
  6. Step 6: Final answer
    x = 164.33

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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.