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Finding the Fourth Proportional to 68,179.73, 94,076.99 and 37,964.95

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Solution

The fourth proportional to 68,179.73, 94,076.99 and 37,964.95 is: 52,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,179.73 : 94,076.99 = 37,964.95 : x
  2. Step 2: Convert to fraction form
    68,179.73/94,076.99 = 37,964.95/x
  3. Step 3: Cross multiply
    68,179.73x = 94,076.99 × 37,964.95
  4. Step 4: Simplify right side
    68,179.73x = 3,571,628,681.59
  5. Step 5: Solve for x
    x = 3,571,628,681.59/68,179.73
  6. Step 6: Final answer
    x = 52,385.50

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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.