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Finding the Fourth Proportional to 182.42, 273.59 and 54.17

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Solution

The fourth proportional to 182.42, 273.59 and 54.17 is: 81.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.42 : 273.59 = 54.17 : x
  2. Step 2: Convert to fraction form
    182.42/273.59 = 54.17/x
  3. Step 3: Cross multiply
    182.42x = 273.59 × 54.17
  4. Step 4: Simplify right side
    182.42x = 14,820.10
  5. Step 5: Solve for x
    x = 14,820.10/182.42
  6. Step 6: Final answer
    x = 81.24

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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.