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Finding the Fourth Proportional to 193.01, 266.42 and 134.82

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Solution

The fourth proportional to 193.01, 266.42 and 134.82 is: 186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.01 : 266.42 = 134.82 : x
  2. Step 2: Convert to fraction form
    193.01/266.42 = 134.82/x
  3. Step 3: Cross multiply
    193.01x = 266.42 × 134.82
  4. Step 4: Simplify right side
    193.01x = 35,919.08
  5. Step 5: Solve for x
    x = 35,919.08/193.01
  6. Step 6: Final answer
    x = 186.10

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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.