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Finding the Fourth Proportional to 185.07, 276.16 and 167.79

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Solution

The fourth proportional to 185.07, 276.16 and 167.79 is: 250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.07 : 276.16 = 167.79 : x
  2. Step 2: Convert to fraction form
    185.07/276.16 = 167.79/x
  3. Step 3: Cross multiply
    185.07x = 276.16 × 167.79
  4. Step 4: Simplify right side
    185.07x = 46,336.47
  5. Step 5: Solve for x
    x = 46,336.47/185.07
  6. Step 6: Final answer
    x = 250.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.