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Finding the Fourth Proportional to 367.74, 551.66 and 124.22

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Solution

The fourth proportional to 367.74, 551.66 and 124.22 is: 186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.74 : 551.66 = 124.22 : x
  2. Step 2: Convert to fraction form
    367.74/551.66 = 124.22/x
  3. Step 3: Cross multiply
    367.74x = 551.66 × 124.22
  4. Step 4: Simplify right side
    367.74x = 68,527.21
  5. Step 5: Solve for x
    x = 68,527.21/367.74
  6. Step 6: Final answer
    x = 186.35

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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.