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Finding the Fourth Proportional to 193.13, 266.45 and 134.06

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Solution

The fourth proportional to 193.13, 266.45 and 134.06 is: 184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.13 : 266.45 = 134.06 : x
  2. Step 2: Convert to fraction form
    193.13/266.45 = 134.06/x
  3. Step 3: Cross multiply
    193.13x = 266.45 × 134.06
  4. Step 4: Simplify right side
    193.13x = 35,719.23
  5. Step 5: Solve for x
    x = 35,719.23/193.13
  6. Step 6: Final answer
    x = 184.94

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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.