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Finding the Fourth Proportional to 196.41, 293.18 and 173.35

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Solution

The fourth proportional to 196.41, 293.18 and 173.35 is: 258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.41 : 293.18 = 173.35 : x
  2. Step 2: Convert to fraction form
    196.41/293.18 = 173.35/x
  3. Step 3: Cross multiply
    196.41x = 293.18 × 173.35
  4. Step 4: Simplify right side
    196.41x = 50,821.15
  5. Step 5: Solve for x
    x = 50,821.15/196.41
  6. Step 6: Final answer
    x = 258.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.