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Finding the Fourth Proportional to 168,164,042.40, 252,246,063.60 and 60,469,552.80

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Solution

The fourth proportional to 168,164,042.40, 252,246,063.60 and 60,469,552.80 is: 90,704,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,164,042.40 : 252,246,063.60 = 60,469,552.80 : x
  2. Step 2: Convert to fraction form
    168,164,042.40/252,246,063.60 = 60,469,552.80/x
  3. Step 3: Cross multiply
    168,164,042.40x = 252,246,063.60 × 60,469,552.80
  4. Step 4: Simplify right side
    168,164,042.40x = 15,253,206,661,452,356
  5. Step 5: Solve for x
    x = 15,253,206,661,452,356/168,164,042.40
  6. Step 6: Final answer
    x = 90,704,329.20

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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.