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Finding the Fourth Proportional to 273,744.26, 410,358.05 and 131,669.96

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Solution

The fourth proportional to 273,744.26, 410,358.05 and 131,669.96 is: 197,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,744.26 : 410,358.05 = 131,669.96 : x
  2. Step 2: Convert to fraction form
    273,744.26/410,358.05 = 131,669.96/x
  3. Step 3: Cross multiply
    273,744.26x = 410,358.05 × 131,669.96
  4. Step 4: Simplify right side
    273,744.26x = 54,031,825,812.80
  5. Step 5: Solve for x
    x = 54,031,825,812.80/273,744.26
  6. Step 6: Final answer
    x = 197,380.67

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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.