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Finding the Fourth Proportional to 194.16, 267.38 and 173.56

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Solution

The fourth proportional to 194.16, 267.38 and 173.56 is: 239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.16 : 267.38 = 173.56 : x
  2. Step 2: Convert to fraction form
    194.16/267.38 = 173.56/x
  3. Step 3: Cross multiply
    194.16x = 267.38 × 173.56
  4. Step 4: Simplify right side
    194.16x = 46,406.47
  5. Step 5: Solve for x
    x = 46,406.47/194.16
  6. Step 6: Final answer
    x = 239.01

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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.