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Finding the Fourth Proportional to 203,591.68, 305,387.52 and 63,322.36

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Solution

The fourth proportional to 203,591.68, 305,387.52 and 63,322.36 is: 94,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,591.68 : 305,387.52 = 63,322.36 : x
  2. Step 2: Convert to fraction form
    203,591.68/305,387.52 = 63,322.36/x
  3. Step 3: Cross multiply
    203,591.68x = 305,387.52 × 63,322.36
  4. Step 4: Simplify right side
    203,591.68x = 19,337,858,480.95
  5. Step 5: Solve for x
    x = 19,337,858,480.95/203,591.68
  6. Step 6: Final answer
    x = 94,983.54

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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.