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Finding the Fourth Proportional to 68,001.66, 101,963.25 and 26,400.06

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Solution

The fourth proportional to 68,001.66, 101,963.25 and 26,400.06 is: 39,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,001.66 : 101,963.25 = 26,400.06 : x
  2. Step 2: Convert to fraction form
    68,001.66/101,963.25 = 26,400.06/x
  3. Step 3: Cross multiply
    68,001.66x = 101,963.25 × 26,400.06
  4. Step 4: Simplify right side
    68,001.66x = 2,691,835,917.80
  5. Step 5: Solve for x
    x = 2,691,835,917.80/68,001.66
  6. Step 6: Final answer
    x = 39,584.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.