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Finding the Fourth Proportional to 206,532.66, 309,674.04 and 92,659.62

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Solution

The fourth proportional to 206,532.66, 309,674.04 and 92,659.62 is: 138,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,532.66 : 309,674.04 = 92,659.62 : x
  2. Step 2: Convert to fraction form
    206,532.66/309,674.04 = 92,659.62/x
  3. Step 3: Cross multiply
    206,532.66x = 309,674.04 × 92,659.62
  4. Step 4: Simplify right side
    206,532.66x = 28,694,278,870.26
  5. Step 5: Solve for x
    x = 28,694,278,870.26/206,532.66
  6. Step 6: Final answer
    x = 138,933.37

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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.