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Finding the Fourth Proportional to 273.93, 377.87 and 170.25

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Solution

The fourth proportional to 273.93, 377.87 and 170.25 is: 234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.93 : 377.87 = 170.25 : x
  2. Step 2: Convert to fraction form
    273.93/377.87 = 170.25/x
  3. Step 3: Cross multiply
    273.93x = 377.87 × 170.25
  4. Step 4: Simplify right side
    273.93x = 64,331.52
  5. Step 5: Solve for x
    x = 64,331.52/273.93
  6. Step 6: Final answer
    x = 234.85

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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.