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Finding the Fourth Proportional to 56,592,942.60, 84,889,413.90 and 16,203,426.60

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Solution

The fourth proportional to 56,592,942.60, 84,889,413.90 and 16,203,426.60 is: 24,305,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,592,942.60 : 84,889,413.90 = 16,203,426.60 : x
  2. Step 2: Convert to fraction form
    56,592,942.60/84,889,413.90 = 16,203,426.60/x
  3. Step 3: Cross multiply
    56,592,942.60x = 84,889,413.90 × 16,203,426.60
  4. Step 4: Simplify right side
    56,592,942.60x = 1,375,499,387,245,669.75
  5. Step 5: Solve for x
    x = 1,375,499,387,245,669.75/56,592,942.60
  6. Step 6: Final answer
    x = 24,305,139.90

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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.