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Finding the Fourth Proportional to 308,614.86, 462,959.28 and 108,893.97

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Solution

The fourth proportional to 308,614.86, 462,959.28 and 108,893.97 is: 163,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,614.86 : 462,959.28 = 108,893.97 : x
  2. Step 2: Convert to fraction form
    308,614.86/462,959.28 = 108,893.97/x
  3. Step 3: Cross multiply
    308,614.86x = 462,959.28 × 108,893.97
  4. Step 4: Simplify right side
    308,614.86x = 50,413,473,947.54
  5. Step 5: Solve for x
    x = 50,413,473,947.54/308,614.86
  6. Step 6: Final answer
    x = 163,354.01

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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.