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Finding the Fourth Proportional to 194.26, 291.15 and 173.77

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Solution

The fourth proportional to 194.26, 291.15 and 173.77 is: 260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.26 : 291.15 = 173.77 : x
  2. Step 2: Convert to fraction form
    194.26/291.15 = 173.77/x
  3. Step 3: Cross multiply
    194.26x = 291.15 × 173.77
  4. Step 4: Simplify right side
    194.26x = 50,593.14
  5. Step 5: Solve for x
    x = 50,593.14/194.26
  6. Step 6: Final answer
    x = 260.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.