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Finding the Fourth Proportional to 367.92, 551.96 and 124.46

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Solution

The fourth proportional to 367.92, 551.96 and 124.46 is: 186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.92 : 551.96 = 124.46 : x
  2. Step 2: Convert to fraction form
    367.92/551.96 = 124.46/x
  3. Step 3: Cross multiply
    367.92x = 551.96 × 124.46
  4. Step 4: Simplify right side
    367.92x = 68,696.94
  5. Step 5: Solve for x
    x = 68,696.94/367.92
  6. Step 6: Final answer
    x = 186.72

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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.