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Finding the Fourth Proportional to 194.84, 291.90 and 173.24

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Solution

The fourth proportional to 194.84, 291.90 and 173.24 is: 259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.84 : 291.90 = 173.24 : x
  2. Step 2: Convert to fraction form
    194.84/291.90 = 173.24/x
  3. Step 3: Cross multiply
    194.84x = 291.90 × 173.24
  4. Step 4: Simplify right side
    194.84x = 50,568.76
  5. Step 5: Solve for x
    x = 50,568.76/194.84
  6. Step 6: Final answer
    x = 259.54

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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.