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Finding the Fourth Proportional to 193.77, 267.44 and 173.16

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Solution

The fourth proportional to 193.77, 267.44 and 173.16 is: 238.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.77 : 267.44 = 173.16 : x
  2. Step 2: Convert to fraction form
    193.77/267.44 = 173.16/x
  3. Step 3: Cross multiply
    193.77x = 267.44 × 173.16
  4. Step 4: Simplify right side
    193.77x = 46,309.04
  5. Step 5: Solve for x
    x = 46,309.04/193.77
  6. Step 6: Final answer
    x = 238.99

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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.