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Finding the Fourth Proportional to 223,477,792.80, 335,017,234.80 and 87,131,464.80

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Solution

The fourth proportional to 223,477,792.80, 335,017,234.80 and 87,131,464.80 is: 130,619,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,477,792.80 : 335,017,234.80 = 87,131,464.80 : x
  2. Step 2: Convert to fraction form
    223,477,792.80/335,017,234.80 = 87,131,464.80/x
  3. Step 3: Cross multiply
    223,477,792.80x = 335,017,234.80 × 87,131,464.80
  4. Step 4: Simplify right side
    223,477,792.80x = 29,190,542,401,369,536
  5. Step 5: Solve for x
    x = 29,190,542,401,369,536/223,477,792.80
  6. Step 6: Final answer
    x = 130,619,432.18

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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.