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Finding the Fourth Proportional to 323,843,265.41, 485,764,504.45 and 105,493,251.02

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Solution

The fourth proportional to 323,843,265.41, 485,764,504.45 and 105,493,251.02 is: 158,239,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,843,265.41 : 485,764,504.45 = 105,493,251.02 : x
  2. Step 2: Convert to fraction form
    323,843,265.41/485,764,504.45 = 105,493,251.02/x
  3. Step 3: Cross multiply
    323,843,265.41x = 485,764,504.45 × 105,493,251.02
  4. Step 4: Simplify right side
    323,843,265.41x = 51,244,876,801,855,096
  5. Step 5: Solve for x
    x = 51,244,876,801,855,096/323,843,265.41
  6. Step 6: Final answer
    x = 158,239,748.29

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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.