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Finding the Fourth Proportional to 182.61, 273.66 and 91.37

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Solution

The fourth proportional to 182.61, 273.66 and 91.37 is: 136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.61 : 273.66 = 91.37 : x
  2. Step 2: Convert to fraction form
    182.61/273.66 = 91.37/x
  3. Step 3: Cross multiply
    182.61x = 273.66 × 91.37
  4. Step 4: Simplify right side
    182.61x = 25,004.31
  5. Step 5: Solve for x
    x = 25,004.31/182.61
  6. Step 6: Final answer
    x = 136.93

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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.