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Finding the Fourth Proportional to 68,893.88, 95,080.84 and 43,743.38

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Solution

The fourth proportional to 68,893.88, 95,080.84 and 43,743.38 is: 60,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893.88 : 95,080.84 = 43,743.38 : x
  2. Step 2: Convert to fraction form
    68,893.88/95,080.84 = 43,743.38/x
  3. Step 3: Cross multiply
    68,893.88x = 95,080.84 × 43,743.38
  4. Step 4: Simplify right side
    68,893.88x = 4,159,156,730.08
  5. Step 5: Solve for x
    x = 4,159,156,730.08/68,893.88
  6. Step 6: Final answer
    x = 60,370.49

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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.