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Finding the Fourth Proportional to 220,234.58, 330,352.08 and 54,022.58

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Solution

The fourth proportional to 220,234.58, 330,352.08 and 54,022.58 is: 81,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,234.58 : 330,352.08 = 54,022.58 : x
  2. Step 2: Convert to fraction form
    220,234.58/330,352.08 = 54,022.58/x
  3. Step 3: Cross multiply
    220,234.58x = 330,352.08 × 54,022.58
  4. Step 4: Simplify right side
    220,234.58x = 17,846,471,669.97
  5. Step 5: Solve for x
    x = 17,846,471,669.97/220,234.58
  6. Step 6: Final answer
    x = 81,033.92

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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.