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Finding the Fourth Proportional to 203,907.75, 305,858.42 and 50,035.39

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Solution

The fourth proportional to 203,907.75, 305,858.42 and 50,035.39 is: 75,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,907.75 : 305,858.42 = 50,035.39 : x
  2. Step 2: Convert to fraction form
    203,907.75/305,858.42 = 50,035.39/x
  3. Step 3: Cross multiply
    203,907.75x = 305,858.42 × 50,035.39
  4. Step 4: Simplify right side
    203,907.75x = 15,303,745,329.48
  5. Step 5: Solve for x
    x = 15,303,745,329.48/203,907.75
  6. Step 6: Final answer
    x = 75,052.30

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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.