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Finding the Fourth Proportional to 269,747.50, 372,251.56 and 150,515.50

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Solution

The fourth proportional to 269,747.50, 372,251.56 and 150,515.50 is: 207,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,747.50 : 372,251.56 = 150,515.50 : x
  2. Step 2: Convert to fraction form
    269,747.50/372,251.56 = 150,515.50/x
  3. Step 3: Cross multiply
    269,747.50x = 372,251.56 × 150,515.50
  4. Step 4: Simplify right side
    269,747.50x = 56,029,629,679.18
  5. Step 5: Solve for x
    x = 56,029,629,679.18/269,747.50
  6. Step 6: Final answer
    x = 207,711.40

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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.