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Finding the Fourth Proportional to 75,848,413.80, 113,772,620.70 and 32,801,692.80

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Solution

The fourth proportional to 75,848,413.80, 113,772,620.70 and 32,801,692.80 is: 49,202,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,848,413.80 : 113,772,620.70 = 32,801,692.80 : x
  2. Step 2: Convert to fraction form
    75,848,413.80/113,772,620.70 = 32,801,692.80/x
  3. Step 3: Cross multiply
    75,848,413.80x = 113,772,620.70 × 32,801,692.80
  4. Step 4: Simplify right side
    75,848,413.80x = 3,731,934,553,252,321
  5. Step 5: Solve for x
    x = 3,731,934,553,252,321/75,848,413.80
  6. Step 6: Final answer
    x = 49,202,539.20

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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.