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Finding the Fourth Proportional to 67,907,896.80, 101,861,845.20 and 24,762,760.80

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Solution

The fourth proportional to 67,907,896.80, 101,861,845.20 and 24,762,760.80 is: 37,144,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,907,896.80 : 101,861,845.20 = 24,762,760.80 : x
  2. Step 2: Convert to fraction form
    67,907,896.80/101,861,845.20 = 24,762,760.80/x
  3. Step 3: Cross multiply
    67,907,896.80x = 101,861,845.20 × 24,762,760.80
  4. Step 4: Simplify right side
    67,907,896.80x = 2,522,380,507,334,228.50
  5. Step 5: Solve for x
    x = 2,522,380,507,334,228.50/67,907,896.80
  6. Step 6: Final answer
    x = 37,144,141.20

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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.