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Finding the Fourth Proportional to 182.01, 273.06 and 66.45

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Solution

The fourth proportional to 182.01, 273.06 and 66.45 is: 99.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.01 : 273.06 = 66.45 : x
  2. Step 2: Convert to fraction form
    182.01/273.06 = 66.45/x
  3. Step 3: Cross multiply
    182.01x = 273.06 × 66.45
  4. Step 4: Simplify right side
    182.01x = 18,145.87
  5. Step 5: Solve for x
    x = 18,145.87/182.01
  6. Step 6: Final answer
    x = 99.70

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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.