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Finding the Fourth Proportional to 137,589.60, 206,413.20 and 44,104.80

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Solution

The fourth proportional to 137,589.60, 206,413.20 and 44,104.80 is: 66,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,589.60 : 206,413.20 = 44,104.80 : x
  2. Step 2: Convert to fraction form
    137,589.60/206,413.20 = 44,104.80/x
  3. Step 3: Cross multiply
    137,589.60x = 206,413.20 × 44,104.80
  4. Step 4: Simplify right side
    137,589.60x = 9,103,812,903.36
  5. Step 5: Solve for x
    x = 9,103,812,903.36/137,589.60
  6. Step 6: Final answer
    x = 66,166.43

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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.