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Finding the Fourth Proportional to 183.97, 278.13 and 182.45

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Solution

The fourth proportional to 183.97, 278.13 and 182.45 is: 275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.97 : 278.13 = 182.45 : x
  2. Step 2: Convert to fraction form
    183.97/278.13 = 182.45/x
  3. Step 3: Cross multiply
    183.97x = 278.13 × 182.45
  4. Step 4: Simplify right side
    183.97x = 50,746.20
  5. Step 5: Solve for x
    x = 50,746.20/183.97
  6. Step 6: Final answer
    x = 275.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.