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Finding the Fourth Proportional to 168,680.89, 232,794.45 and 93,243.97

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Solution

The fourth proportional to 168,680.89, 232,794.45 and 93,243.97 is: 128,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,680.89 : 232,794.45 = 93,243.97 : x
  2. Step 2: Convert to fraction form
    168,680.89/232,794.45 = 93,243.97/x
  3. Step 3: Cross multiply
    168,680.89x = 232,794.45 × 93,243.97
  4. Step 4: Simplify right side
    168,680.89x = 21,706,678,711.97
  5. Step 5: Solve for x
    x = 21,706,678,711.97/168,680.89
  6. Step 6: Final answer
    x = 128,684.87

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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.