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Finding the Fourth Proportional to 204.24, 282.33 and 186.24

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Solution

The fourth proportional to 204.24, 282.33 and 186.24 is: 257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.24 : 282.33 = 186.24 : x
  2. Step 2: Convert to fraction form
    204.24/282.33 = 186.24/x
  3. Step 3: Cross multiply
    204.24x = 282.33 × 186.24
  4. Step 4: Simplify right side
    204.24x = 52,581.14
  5. Step 5: Solve for x
    x = 52,581.14/204.24
  6. Step 6: Final answer
    x = 257.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.