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Finding the Fourth Proportional to 203,906.94, 305,860.44 and 63,677.58

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Solution

The fourth proportional to 203,906.94, 305,860.44 and 63,677.58 is: 95,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,906.94 : 305,860.44 = 63,677.58 : x
  2. Step 2: Convert to fraction form
    203,906.94/305,860.44 = 63,677.58/x
  3. Step 3: Cross multiply
    203,906.94x = 305,860.44 × 63,677.58
  4. Step 4: Simplify right side
    203,906.94x = 19,476,452,636.94
  5. Step 5: Solve for x
    x = 19,476,452,636.94/203,906.94
  6. Step 6: Final answer
    x = 95,516.38

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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.