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Finding the Fourth Proportional to 192,789,059.60, 289,183,589.40 and 65,136,400.40

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Solution

The fourth proportional to 192,789,059.60, 289,183,589.40 and 65,136,400.40 is: 97,704,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,789,059.60 : 289,183,589.40 = 65,136,400.40 : x
  2. Step 2: Convert to fraction form
    192,789,059.60/289,183,589.40 = 65,136,400.40/x
  3. Step 3: Cross multiply
    192,789,059.60x = 289,183,589.40 × 65,136,400.40
  4. Step 4: Simplify right side
    192,789,059.60x = 18,836,378,068,267,592
  5. Step 5: Solve for x
    x = 18,836,378,068,267,592/192,789,059.60
  6. Step 6: Final answer
    x = 97,704,600.60

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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.