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Finding the Fourth Proportional to 68,157.75, 94,056.68 and 37,943.03

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Solution

The fourth proportional to 68,157.75, 94,056.68 and 37,943.03 is: 52,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,157.75 : 94,056.68 = 37,943.03 : x
  2. Step 2: Convert to fraction form
    68,157.75/94,056.68 = 37,943.03/x
  3. Step 3: Cross multiply
    68,157.75x = 94,056.68 × 37,943.03
  4. Step 4: Simplify right side
    68,157.75x = 3,568,794,770.94
  5. Step 5: Solve for x
    x = 3,568,794,770.94/68,157.75
  6. Step 6: Final answer
    x = 52,360.81

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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.