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Finding the Fourth Proportional to 367.94, 551.95 and 124.49

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Solution

The fourth proportional to 367.94, 551.95 and 124.49 is: 186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.94 : 551.95 = 124.49 : x
  2. Step 2: Convert to fraction form
    367.94/551.95 = 124.49/x
  3. Step 3: Cross multiply
    367.94x = 551.95 × 124.49
  4. Step 4: Simplify right side
    367.94x = 68,712.26
  5. Step 5: Solve for x
    x = 68,712.26/367.94
  6. Step 6: Final answer
    x = 186.75

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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.