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Finding the Fourth Proportional to 182.79, 273.74 and 155.48

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Solution

The fourth proportional to 182.79, 273.74 and 155.48 is: 232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.79 : 273.74 = 155.48 : x
  2. Step 2: Convert to fraction form
    182.79/273.74 = 155.48/x
  3. Step 3: Cross multiply
    182.79x = 273.74 × 155.48
  4. Step 4: Simplify right side
    182.79x = 42,558.95
  5. Step 5: Solve for x
    x = 42,558.95/182.79
  6. Step 6: Final answer
    x = 232.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.