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Finding the Fourth Proportional to 247,326.25, 341,310.24 and 139,893.97

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Solution

The fourth proportional to 247,326.25, 341,310.24 and 139,893.97 is: 193,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,326.25 : 341,310.24 = 139,893.97 : x
  2. Step 2: Convert to fraction form
    247,326.25/341,310.24 = 139,893.97/x
  3. Step 3: Cross multiply
    247,326.25x = 341,310.24 × 139,893.97
  4. Step 4: Simplify right side
    247,326.25x = 47,747,244,475.25
  5. Step 5: Solve for x
    x = 47,747,244,475.25/247,326.25
  6. Step 6: Final answer
    x = 193,053.69

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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.