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Finding the Fourth Proportional to 225,432.83, 338,201.09 and 67,664.27

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Solution

The fourth proportional to 225,432.83, 338,201.09 and 67,664.27 is: 101,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,432.83 : 338,201.09 = 67,664.27 : x
  2. Step 2: Convert to fraction form
    225,432.83/338,201.09 = 67,664.27/x
  3. Step 3: Cross multiply
    225,432.83x = 338,201.09 × 67,664.27
  4. Step 4: Simplify right side
    225,432.83x = 22,884,130,628.98
  5. Step 5: Solve for x
    x = 22,884,130,628.98/225,432.83
  6. Step 6: Final answer
    x = 101,511.97

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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.