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Finding the Fourth Proportional to 217,751.72, 326,674.26 and 75,601.49

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Solution

The fourth proportional to 217,751.72, 326,674.26 and 75,601.49 is: 113,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,751.72 : 326,674.26 = 75,601.49 : x
  2. Step 2: Convert to fraction form
    217,751.72/326,674.26 = 75,601.49/x
  3. Step 3: Cross multiply
    217,751.72x = 326,674.26 × 75,601.49
  4. Step 4: Simplify right side
    217,751.72x = 24,697,059,167.28
  5. Step 5: Solve for x
    x = 24,697,059,167.28/217,751.72
  6. Step 6: Final answer
    x = 113,418.44

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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.