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Finding the Fourth Proportional to 250,093.85, 375,200.46 and 81,614.49

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Solution

The fourth proportional to 250,093.85, 375,200.46 and 81,614.49 is: 122,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,093.85 : 375,200.46 = 81,614.49 : x
  2. Step 2: Convert to fraction form
    250,093.85/375,200.46 = 81,614.49/x
  3. Step 3: Cross multiply
    250,093.85x = 375,200.46 × 81,614.49
  4. Step 4: Simplify right side
    250,093.85x = 30,621,794,190.67
  5. Step 5: Solve for x
    x = 30,621,794,190.67/250,093.85
  6. Step 6: Final answer
    x = 122,441.21

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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.