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Finding the Fourth Proportional to 203,737.78, 305,623.53 and 63,496.41

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Solution

The fourth proportional to 203,737.78, 305,623.53 and 63,496.41 is: 95,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,737.78 : 305,623.53 = 63,496.41 : x
  2. Step 2: Convert to fraction form
    203,737.78/305,623.53 = 63,496.41/x
  3. Step 3: Cross multiply
    203,737.78x = 305,623.53 × 63,496.41
  4. Step 4: Simplify right side
    203,737.78x = 19,405,995,820.44
  5. Step 5: Solve for x
    x = 19,405,995,820.44/203,737.78
  6. Step 6: Final answer
    x = 95,249.86

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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.