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Finding the Fourth Proportional to 185.63, 278.89 and 182.59

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Solution

The fourth proportional to 185.63, 278.89 and 182.59 is: 274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.63 : 278.89 = 182.59 : x
  2. Step 2: Convert to fraction form
    185.63/278.89 = 182.59/x
  3. Step 3: Cross multiply
    185.63x = 278.89 × 182.59
  4. Step 4: Simplify right side
    185.63x = 50,921.37
  5. Step 5: Solve for x
    x = 50,921.37/185.63
  6. Step 6: Final answer
    x = 274.32

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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.