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Finding the Fourth Proportional to 68,754.60, 94,883.94 and 38,540.50

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Solution

The fourth proportional to 68,754.60, 94,883.94 and 38,540.50 is: 53,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,754.60 : 94,883.94 = 38,540.50 : x
  2. Step 2: Convert to fraction form
    68,754.60/94,883.94 = 38,540.50/x
  3. Step 3: Cross multiply
    68,754.60x = 94,883.94 × 38,540.50
  4. Step 4: Simplify right side
    68,754.60x = 3,656,874,489.57
  5. Step 5: Solve for x
    x = 3,656,874,489.57/68,754.60
  6. Step 6: Final answer
    x = 53,187.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.