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Finding the Fourth Proportional to 182.76, 273.94 and 155.76

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Solution

The fourth proportional to 182.76, 273.94 and 155.76 is: 233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.76 : 273.94 = 155.76 : x
  2. Step 2: Convert to fraction form
    182.76/273.94 = 155.76/x
  3. Step 3: Cross multiply
    182.76x = 273.94 × 155.76
  4. Step 4: Simplify right side
    182.76x = 42,668.89
  5. Step 5: Solve for x
    x = 42,668.89/182.76
  6. Step 6: Final answer
    x = 233.47

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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.