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Finding the Fourth Proportional to 182.03, 273.06 and 66.46

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Solution

The fourth proportional to 182.03, 273.06 and 66.46 is: 99.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.03 : 273.06 = 66.46 : x
  2. Step 2: Convert to fraction form
    182.03/273.06 = 66.46/x
  3. Step 3: Cross multiply
    182.03x = 273.06 × 66.46
  4. Step 4: Simplify right side
    182.03x = 18,147.24
  5. Step 5: Solve for x
    x = 18,147.24/182.03
  6. Step 6: Final answer
    x = 99.69

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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.