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Finding the Fourth Proportional to 68,467.68, 94,497.84 and 39,791.25

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Solution

The fourth proportional to 68,467.68, 94,497.84 and 39,791.25 is: 54,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,467.68 : 94,497.84 = 39,791.25 : x
  2. Step 2: Convert to fraction form
    68,467.68/94,497.84 = 39,791.25/x
  3. Step 3: Cross multiply
    68,467.68x = 94,497.84 × 39,791.25
  4. Step 4: Simplify right side
    68,467.68x = 3,760,187,175.90
  5. Step 5: Solve for x
    x = 3,760,187,175.90/68,467.68
  6. Step 6: Final answer
    x = 54,919.16

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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.