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Finding the Fourth Proportional to 182.37, 273.58 and 66.83

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Solution

The fourth proportional to 182.37, 273.58 and 66.83 is: 100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.37 : 273.58 = 66.83 : x
  2. Step 2: Convert to fraction form
    182.37/273.58 = 66.83/x
  3. Step 3: Cross multiply
    182.37x = 273.58 × 66.83
  4. Step 4: Simplify right side
    182.37x = 18,281.82
  5. Step 5: Solve for x
    x = 18,281.82/182.37
  6. Step 6: Final answer
    x = 100.25

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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.