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Finding the Fourth Proportional to 182.93, 274.50 and 74.73

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Solution

The fourth proportional to 182.93, 274.50 and 74.73 is: 112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.93 : 274.50 = 74.73 : x
  2. Step 2: Convert to fraction form
    182.93/274.50 = 74.73/x
  3. Step 3: Cross multiply
    182.93x = 274.50 × 74.73
  4. Step 4: Simplify right side
    182.93x = 20,513.39
  5. Step 5: Solve for x
    x = 20,513.39/182.93
  6. Step 6: Final answer
    x = 112.14

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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.