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Finding the Fourth Proportional to 250,627.87, 345,834.49 and 143,204.86

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Solution

The fourth proportional to 250,627.87, 345,834.49 and 143,204.86 is: 197,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,627.87 : 345,834.49 = 143,204.86 : x
  2. Step 2: Convert to fraction form
    250,627.87/345,834.49 = 143,204.86/x
  3. Step 3: Cross multiply
    250,627.87x = 345,834.49 × 143,204.86
  4. Step 4: Simplify right side
    250,627.87x = 49,525,177,278.42
  5. Step 5: Solve for x
    x = 49,525,177,278.42/250,627.87
  6. Step 6: Final answer
    x = 197,604.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.