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Finding the Fourth Proportional to 59,794.80, 89,692.20 and 54,157.20

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Solution

The fourth proportional to 59,794.80, 89,692.20 and 54,157.20 is: 81,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,794.80 : 89,692.20 = 54,157.20 : x
  2. Step 2: Convert to fraction form
    59,794.80/89,692.20 = 54,157.20/x
  3. Step 3: Cross multiply
    59,794.80x = 89,692.20 × 54,157.20
  4. Step 4: Simplify right side
    59,794.80x = 4,857,478,413.84
  5. Step 5: Solve for x
    x = 4,857,478,413.84/59,794.80
  6. Step 6: Final answer
    x = 81,235.80

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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.