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Finding the Fourth Proportional to 198,812.60, 298,246.59 and 63,880.73

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Solution

The fourth proportional to 198,812.60, 298,246.59 and 63,880.73 is: 95,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,812.60 : 298,246.59 = 63,880.73 : x
  2. Step 2: Convert to fraction form
    198,812.60/298,246.59 = 63,880.73/x
  3. Step 3: Cross multiply
    198,812.60x = 298,246.59 × 63,880.73
  4. Step 4: Simplify right side
    198,812.60x = 19,052,208,078.57
  5. Step 5: Solve for x
    x = 19,052,208,078.57/198,812.60
  6. Step 6: Final answer
    x = 95,829.99

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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.