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Finding the Fourth Proportional to 182.06, 272.88 and 73.79

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Solution

The fourth proportional to 182.06, 272.88 and 73.79 is: 110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.06 : 272.88 = 73.79 : x
  2. Step 2: Convert to fraction form
    182.06/272.88 = 73.79/x
  3. Step 3: Cross multiply
    182.06x = 272.88 × 73.79
  4. Step 4: Simplify right side
    182.06x = 20,134.45
  5. Step 5: Solve for x
    x = 20,134.45/182.06
  6. Step 6: Final answer
    x = 110.60

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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.