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Finding the Fourth Proportional to 186.66, 255.91 and 183.82

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Solution

The fourth proportional to 186.66, 255.91 and 183.82 is: 252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.66 : 255.91 = 183.82 : x
  2. Step 2: Convert to fraction form
    186.66/255.91 = 183.82/x
  3. Step 3: Cross multiply
    186.66x = 255.91 × 183.82
  4. Step 4: Simplify right side
    186.66x = 47,041.38
  5. Step 5: Solve for x
    x = 47,041.38/186.66
  6. Step 6: Final answer
    x = 252.02

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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.