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Finding the Fourth Proportional to 203,856.39, 305,846.55 and 63,616.23

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Solution

The fourth proportional to 203,856.39, 305,846.55 and 63,616.23 is: 95,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,856.39 : 305,846.55 = 63,616.23 : x
  2. Step 2: Convert to fraction form
    203,856.39/305,846.55 = 63,616.23/x
  3. Step 3: Cross multiply
    203,856.39x = 305,846.55 × 63,616.23
  4. Step 4: Simplify right side
    203,856.39x = 19,456,804,469.51
  5. Step 5: Solve for x
    x = 19,456,804,469.51/203,856.39
  6. Step 6: Final answer
    x = 95,443.68

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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.