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Finding the Fourth Proportional to 57,984,902.20, 86,902,703.70 and 44,454,662.20

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Solution

The fourth proportional to 57,984,902.20, 86,902,703.70 and 44,454,662.20 is: 66,624,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,984,902.20 : 86,902,703.70 = 44,454,662.20 : x
  2. Step 2: Convert to fraction form
    57,984,902.20/86,902,703.70 = 44,454,662.20/x
  3. Step 3: Cross multiply
    57,984,902.20x = 86,902,703.70 × 44,454,662.20
  4. Step 4: Simplify right side
    57,984,902.20x = 3,863,230,337,250,190.50
  5. Step 5: Solve for x
    x = 3,863,230,337,250,190.50/57,984,902.20
  6. Step 6: Final answer
    x = 66,624,762.49

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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.