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Finding the Fourth Proportional to 194.10, 267.99 and 173.31

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Solution

The fourth proportional to 194.10, 267.99 and 173.31 is: 239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.10 : 267.99 = 173.31 : x
  2. Step 2: Convert to fraction form
    194.10/267.99 = 173.31/x
  3. Step 3: Cross multiply
    194.10x = 267.99 × 173.31
  4. Step 4: Simplify right side
    194.10x = 46,445.35
  5. Step 5: Solve for x
    x = 46,445.35/194.10
  6. Step 6: Final answer
    x = 239.29

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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.