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Finding the Fourth Proportional to 199.73, 275.37 and 174.73

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Solution

The fourth proportional to 199.73, 275.37 and 174.73 is: 240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.73 : 275.37 = 174.73 : x
  2. Step 2: Convert to fraction form
    199.73/275.37 = 174.73/x
  3. Step 3: Cross multiply
    199.73x = 275.37 × 174.73
  4. Step 4: Simplify right side
    199.73x = 48,115.40
  5. Step 5: Solve for x
    x = 48,115.40/199.73
  6. Step 6: Final answer
    x = 240.90

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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.