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Finding the Fourth Proportional to 68,644.33, 94,680.33 and 62,997.32

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Solution

The fourth proportional to 68,644.33, 94,680.33 and 62,997.32 is: 86,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,644.33 : 94,680.33 = 62,997.32 : x
  2. Step 2: Convert to fraction form
    68,644.33/94,680.33 = 62,997.32/x
  3. Step 3: Cross multiply
    68,644.33x = 94,680.33 × 62,997.32
  4. Step 4: Simplify right side
    68,644.33x = 5,964,607,046.72
  5. Step 5: Solve for x
    x = 5,964,607,046.72/68,644.33
  6. Step 6: Final answer
    x = 86,891.47

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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.