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Finding the Fourth Proportional to 269,837,372.52, 372,375,698.85 and 146,078,049.78

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Solution

The fourth proportional to 269,837,372.52, 372,375,698.85 and 146,078,049.78 is: 201,587,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,837,372.52 : 372,375,698.85 = 146,078,049.78 : x
  2. Step 2: Convert to fraction form
    269,837,372.52/372,375,698.85 = 146,078,049.78/x
  3. Step 3: Cross multiply
    269,837,372.52x = 372,375,698.85 × 146,078,049.78
  4. Step 4: Simplify right side
    269,837,372.52x = 54,395,915,873,472,592
  5. Step 5: Solve for x
    x = 54,395,915,873,472,592/269,837,372.52
  6. Step 6: Final answer
    x = 201,587,776.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.