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Finding the Fourth Proportional to 217,850.72, 326,822.55 and 75,700.27

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Solution

The fourth proportional to 217,850.72, 326,822.55 and 75,700.27 is: 113,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,850.72 : 326,822.55 = 75,700.27 : x
  2. Step 2: Convert to fraction form
    217,850.72/326,822.55 = 75,700.27/x
  3. Step 3: Cross multiply
    217,850.72x = 326,822.55 × 75,700.27
  4. Step 4: Simplify right side
    217,850.72x = 24,740,555,401.74
  5. Step 5: Solve for x
    x = 24,740,555,401.74/217,850.72
  6. Step 6: Final answer
    x = 113,566.56

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1.5x scale

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.