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Finding the Fourth Proportional to 206,812.04, 310,310.22 and 108,293

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Solution

The fourth proportional to 206,812.04, 310,310.22 and 108,293 is: 162,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,812.04 : 310,310.22 = 108,293 : x
  2. Step 2: Convert to fraction form
    206,812.04/310,310.22 = 108,293/x
  3. Step 3: Cross multiply
    206,812.04x = 310,310.22 × 108,293
  4. Step 4: Simplify right side
    206,812.04x = 33,604,424,654.46
  5. Step 5: Solve for x
    x = 33,604,424,654.46/206,812.04
  6. Step 6: Final answer
    x = 162,487.76

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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.