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Finding the Fourth Proportional to 73,905,608.80, 110,858,413.20 and 20,052,920.80

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Solution

The fourth proportional to 73,905,608.80, 110,858,413.20 and 20,052,920.80 is: 30,079,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,905,608.80 : 110,858,413.20 = 20,052,920.80 : x
  2. Step 2: Convert to fraction form
    73,905,608.80/110,858,413.20 = 20,052,920.80/x
  3. Step 3: Cross multiply
    73,905,608.80x = 110,858,413.20 × 20,052,920.80
  4. Step 4: Simplify right side
    73,905,608.80x = 2,223,034,979,913,274.75
  5. Step 5: Solve for x
    x = 2,223,034,979,913,274.75/73,905,608.80
  6. Step 6: Final answer
    x = 30,079,381.20

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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.