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Finding the Fourth Proportional to 192.38, 265.68 and 134.06

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Solution

The fourth proportional to 192.38, 265.68 and 134.06 is: 185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.38 : 265.68 = 134.06 : x
  2. Step 2: Convert to fraction form
    192.38/265.68 = 134.06/x
  3. Step 3: Cross multiply
    192.38x = 265.68 × 134.06
  4. Step 4: Simplify right side
    192.38x = 35,615.73
  5. Step 5: Solve for x
    x = 35,615.73/192.38
  6. Step 6: Final answer
    x = 185.14

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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.