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Finding the Fourth Proportional to 273.63, 377.57 and 168.74

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Solution

The fourth proportional to 273.63, 377.57 and 168.74 is: 232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.63 : 377.57 = 168.74 : x
  2. Step 2: Convert to fraction form
    273.63/377.57 = 168.74/x
  3. Step 3: Cross multiply
    273.63x = 377.57 × 168.74
  4. Step 4: Simplify right side
    273.63x = 63,708.43
  5. Step 5: Solve for x
    x = 63,708.43/273.63
  6. Step 6: Final answer
    x = 232.83

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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.