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Finding the Fourth Proportional to 183.07, 274.61 and 46.12

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Solution

The fourth proportional to 183.07, 274.61 and 46.12 is: 69.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.07 : 274.61 = 46.12 : x
  2. Step 2: Convert to fraction form
    183.07/274.61 = 46.12/x
  3. Step 3: Cross multiply
    183.07x = 274.61 × 46.12
  4. Step 4: Simplify right side
    183.07x = 12,665.01
  5. Step 5: Solve for x
    x = 12,665.01/183.07
  6. Step 6: Final answer
    x = 69.18

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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.