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Finding the Fourth Proportional to 182.93, 274.45 and 80.24

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Solution

The fourth proportional to 182.93, 274.45 and 80.24 is: 120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.93 : 274.45 = 80.24 : x
  2. Step 2: Convert to fraction form
    182.93/274.45 = 80.24/x
  3. Step 3: Cross multiply
    182.93x = 274.45 × 80.24
  4. Step 4: Simplify right side
    182.93x = 22,021.32
  5. Step 5: Solve for x
    x = 22,021.32/182.93
  6. Step 6: Final answer
    x = 120.38

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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.