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Finding the Fourth Proportional to 65,482,331.80, 98,223,497.70 and 22,352,942.20

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Solution

The fourth proportional to 65,482,331.80, 98,223,497.70 and 22,352,942.20 is: 33,529,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,482,331.80 : 98,223,497.70 = 22,352,942.20 : x
  2. Step 2: Convert to fraction form
    65,482,331.80/98,223,497.70 = 22,352,942.20/x
  3. Step 3: Cross multiply
    65,482,331.80x = 98,223,497.70 × 22,352,942.20
  4. Step 4: Simplify right side
    65,482,331.80x = 2,195,584,166,769,933
  5. Step 5: Solve for x
    x = 2,195,584,166,769,933/65,482,331.80
  6. Step 6: Final answer
    x = 33,529,413.30

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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.