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Finding the Fourth Proportional to 198,626.73, 298,071.31 and 93,453.90

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Solution

The fourth proportional to 198,626.73, 298,071.31 and 93,453.90 is: 140,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,626.73 : 298,071.31 = 93,453.90 : x
  2. Step 2: Convert to fraction form
    198,626.73/298,071.31 = 93,453.90/x
  3. Step 3: Cross multiply
    198,626.73x = 298,071.31 × 93,453.90
  4. Step 4: Simplify right side
    198,626.73x = 27,855,926,397.61
  5. Step 5: Solve for x
    x = 27,855,926,397.61/198,626.73
  6. Step 6: Final answer
    x = 140,242.59

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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.