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Finding the Fourth Proportional to 206,007.52, 308,937.84 and 93,593.56

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Solution

The fourth proportional to 206,007.52, 308,937.84 and 93,593.56 is: 140,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,007.52 : 308,937.84 = 93,593.56 : x
  2. Step 2: Convert to fraction form
    206,007.52/308,937.84 = 93,593.56/x
  3. Step 3: Cross multiply
    206,007.52x = 308,937.84 × 93,593.56
  4. Step 4: Simplify right side
    206,007.52x = 28,914,592,264.31
  5. Step 5: Solve for x
    x = 28,914,592,264.31/206,007.52
  6. Step 6: Final answer
    x = 140,356.97

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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.