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Finding the Fourth Proportional to 367.83, 551.66 and 124.34

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Solution

The fourth proportional to 367.83, 551.66 and 124.34 is: 186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.83 : 551.66 = 124.34 : x
  2. Step 2: Convert to fraction form
    367.83/551.66 = 124.34/x
  3. Step 3: Cross multiply
    367.83x = 551.66 × 124.34
  4. Step 4: Simplify right side
    367.83x = 68,590.02
  5. Step 5: Solve for x
    x = 68,590.02/367.83
  6. Step 6: Final answer
    x = 186.47

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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.