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Finding the Fourth Proportional to 68,029.43, 93,881.74 and 37,403.82

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Solution

The fourth proportional to 68,029.43, 93,881.74 and 37,403.82 is: 51,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029.43 : 93,881.74 = 37,403.82 : x
  2. Step 2: Convert to fraction form
    68,029.43/93,881.74 = 37,403.82/x
  3. Step 3: Cross multiply
    68,029.43x = 93,881.74 × 37,403.82
  4. Step 4: Simplify right side
    68,029.43x = 3,511,535,918.09
  5. Step 5: Solve for x
    x = 3,511,535,918.09/68,029.43
  6. Step 6: Final answer
    x = 51,617.89

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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.