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Finding the Fourth Proportional to 217,610.55, 326,414.34 and 118,401.48

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Solution

The fourth proportional to 217,610.55, 326,414.34 and 118,401.48 is: 177,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,610.55 : 326,414.34 = 118,401.48 : x
  2. Step 2: Convert to fraction form
    217,610.55/326,414.34 = 118,401.48/x
  3. Step 3: Cross multiply
    217,610.55x = 326,414.34 × 118,401.48
  4. Step 4: Simplify right side
    217,610.55x = 38,647,940,949.22
  5. Step 5: Solve for x
    x = 38,647,940,949.22/217,610.55
  6. Step 6: Final answer
    x = 177,601.41

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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.