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Finding the Fourth Proportional to 367.54, 551.28 and 124.06

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Solution

The fourth proportional to 367.54, 551.28 and 124.06 is: 186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.54 : 551.28 = 124.06 : x
  2. Step 2: Convert to fraction form
    367.54/551.28 = 124.06/x
  3. Step 3: Cross multiply
    367.54x = 551.28 × 124.06
  4. Step 4: Simplify right side
    367.54x = 68,391.80
  5. Step 5: Solve for x
    x = 68,391.80/367.54
  6. Step 6: Final answer
    x = 186.08

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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.