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Finding the Fourth Proportional to 220,435.52, 330,603.60 and 62,660.48

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Solution

The fourth proportional to 220,435.52, 330,603.60 and 62,660.48 is: 93,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,435.52 : 330,603.60 = 62,660.48 : x
  2. Step 2: Convert to fraction form
    220,435.52/330,603.60 = 62,660.48/x
  3. Step 3: Cross multiply
    220,435.52x = 330,603.60 × 62,660.48
  4. Step 4: Simplify right side
    220,435.52x = 20,715,780,265.73
  5. Step 5: Solve for x
    x = 20,715,780,265.73/220,435.52
  6. Step 6: Final answer
    x = 93,976.60

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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.