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Finding the Fourth Proportional to 221,374.39, 332,071.97 and 71,626.41

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Solution

The fourth proportional to 221,374.39, 332,071.97 and 71,626.41 is: 107,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,374.39 : 332,071.97 = 71,626.41 : x
  2. Step 2: Convert to fraction form
    221,374.39/332,071.97 = 71,626.41/x
  3. Step 3: Cross multiply
    221,374.39x = 332,071.97 × 71,626.41
  4. Step 4: Simplify right side
    221,374.39x = 23,785,123,072.73
  5. Step 5: Solve for x
    x = 23,785,123,072.73/221,374.39
  6. Step 6: Final answer
    x = 107,442.98

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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.