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Finding the Fourth Proportional to 381,550.26, 572,336.32 and 101,067.50

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Solution

The fourth proportional to 381,550.26, 572,336.32 and 101,067.50 is: 151,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,550.26 : 572,336.32 = 101,067.50 : x
  2. Step 2: Convert to fraction form
    381,550.26/572,336.32 = 101,067.50/x
  3. Step 3: Cross multiply
    381,550.26x = 572,336.32 × 101,067.50
  4. Step 4: Simplify right side
    381,550.26x = 57,844,601,021.60
  5. Step 5: Solve for x
    x = 57,844,601,021.60/381,550.26
  6. Step 6: Final answer
    x = 151,604.15

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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.