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Finding the Fourth Proportional to 273.86, 377.88 and 168.92

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Solution

The fourth proportional to 273.86, 377.88 and 168.92 is: 233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.86 : 377.88 = 168.92 : x
  2. Step 2: Convert to fraction form
    273.86/377.88 = 168.92/x
  3. Step 3: Cross multiply
    273.86x = 377.88 × 168.92
  4. Step 4: Simplify right side
    273.86x = 63,831.49
  5. Step 5: Solve for x
    x = 63,831.49/273.86
  6. Step 6: Final answer
    x = 233.08

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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.