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Finding the Fourth Proportional to 168,460,227.20, 252,491,275.20 and 71,415,747.20

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Solution

The fourth proportional to 168,460,227.20, 252,491,275.20 and 71,415,747.20 is: 107,039,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,460,227.20 : 252,491,275.20 = 71,415,747.20 : x
  2. Step 2: Convert to fraction form
    168,460,227.20/252,491,275.20 = 71,415,747.20/x
  3. Step 3: Cross multiply
    168,460,227.20x = 252,491,275.20 × 71,415,747.20
  4. Step 4: Simplify right side
    168,460,227.20x = 18,031,853,079,888,828
  5. Step 5: Solve for x
    x = 18,031,853,079,888,828/168,460,227.20
  6. Step 6: Final answer
    x = 107,039,230.44

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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.