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Finding the Fourth Proportional to 182.60, 273.86 and 109.43

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Solution

The fourth proportional to 182.60, 273.86 and 109.43 is: 164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.60 : 273.86 = 109.43 : x
  2. Step 2: Convert to fraction form
    182.60/273.86 = 109.43/x
  3. Step 3: Cross multiply
    182.60x = 273.86 × 109.43
  4. Step 4: Simplify right side
    182.60x = 29,968.50
  5. Step 5: Solve for x
    x = 29,968.50/182.60
  6. Step 6: Final answer
    x = 164.12

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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.