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Finding the Fourth Proportional to 269,930.28, 372,503.82 and 150,698.28

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Solution

The fourth proportional to 269,930.28, 372,503.82 and 150,698.28 is: 207,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,930.28 : 372,503.82 = 150,698.28 : x
  2. Step 2: Convert to fraction form
    269,930.28/372,503.82 = 150,698.28/x
  3. Step 3: Cross multiply
    269,930.28x = 372,503.82 × 150,698.28
  4. Step 4: Simplify right side
    269,930.28x = 56,135,684,967.43
  5. Step 5: Solve for x
    x = 56,135,684,967.43/269,930.28
  6. Step 6: Final answer
    x = 207,963.65

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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.