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Finding the Fourth Proportional to 68,042.92, 93,893.91 and 37,826.40

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Solution

The fourth proportional to 68,042.92, 93,893.91 and 37,826.40 is: 52,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,042.92 : 93,893.91 = 37,826.40 : x
  2. Step 2: Convert to fraction form
    68,042.92/93,893.91 = 37,826.40/x
  3. Step 3: Cross multiply
    68,042.92x = 93,893.91 × 37,826.40
  4. Step 4: Simplify right side
    68,042.92x = 3,551,668,243.86
  5. Step 5: Solve for x
    x = 3,551,668,243.86/68,042.92
  6. Step 6: Final answer
    x = 52,197.47

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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.