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Finding the Fourth Proportional to 185.94, 255.11 and 176.76

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Solution

The fourth proportional to 185.94, 255.11 and 176.76 is: 242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.94 : 255.11 = 176.76 : x
  2. Step 2: Convert to fraction form
    185.94/255.11 = 176.76/x
  3. Step 3: Cross multiply
    185.94x = 255.11 × 176.76
  4. Step 4: Simplify right side
    185.94x = 45,092.36
  5. Step 5: Solve for x
    x = 45,092.36/185.94
  6. Step 6: Final answer
    x = 242.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.