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Finding the Fourth Proportional to 192,469,884.60, 288,704,826.90 and 63,046,286.40

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Solution

The fourth proportional to 192,469,884.60, 288,704,826.90 and 63,046,286.40 is: 94,569,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,469,884.60 : 288,704,826.90 = 63,046,286.40 : x
  2. Step 2: Convert to fraction form
    192,469,884.60/288,704,826.90 = 63,046,286.40/x
  3. Step 3: Cross multiply
    192,469,884.60x = 288,704,826.90 × 63,046,286.40
  4. Step 4: Simplify right side
    192,469,884.60x = 18,201,767,201,799,824
  5. Step 5: Solve for x
    x = 18,201,767,201,799,824/192,469,884.60
  6. Step 6: Final answer
    x = 94,569,429.60

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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.