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Finding the Fourth Proportional to 192.49, 265.44 and 190.06

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Solution

The fourth proportional to 192.49, 265.44 and 190.06 is: 262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.49 : 265.44 = 190.06 : x
  2. Step 2: Convert to fraction form
    192.49/265.44 = 190.06/x
  3. Step 3: Cross multiply
    192.49x = 265.44 × 190.06
  4. Step 4: Simplify right side
    192.49x = 50,449.53
  5. Step 5: Solve for x
    x = 50,449.53/192.49
  6. Step 6: Final answer
    x = 262.09

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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.