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Finding the Fourth Proportional to 231,979.97, 347,970.14 and 63,501.69

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Solution

The fourth proportional to 231,979.97, 347,970.14 and 63,501.69 is: 95,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,979.97 : 347,970.14 = 63,501.69 : x
  2. Step 2: Convert to fraction form
    231,979.97/347,970.14 = 63,501.69/x
  3. Step 3: Cross multiply
    231,979.97x = 347,970.14 × 63,501.69
  4. Step 4: Simplify right side
    231,979.97x = 22,096,691,959.54
  5. Step 5: Solve for x
    x = 22,096,691,959.54/231,979.97
  6. Step 6: Final answer
    x = 95,252.59

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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.