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Finding the Fourth Proportional to 243.91, 365.82 and 183.47

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Solution

The fourth proportional to 243.91, 365.82 and 183.47 is: 275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.91 : 365.82 = 183.47 : x
  2. Step 2: Convert to fraction form
    243.91/365.82 = 183.47/x
  3. Step 3: Cross multiply
    243.91x = 365.82 × 183.47
  4. Step 4: Simplify right side
    243.91x = 67,114.48
  5. Step 5: Solve for x
    x = 67,114.48/243.91
  6. Step 6: Final answer
    x = 275.16

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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.