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Finding the Fourth Proportional to 68,161, 94,054.62 and 37,939.36

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Solution

The fourth proportional to 68,161, 94,054.62 and 37,939.36 is: 52,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,161 : 94,054.62 = 37,939.36 : x
  2. Step 2: Convert to fraction form
    68,161/94,054.62 = 37,939.36/x
  3. Step 3: Cross multiply
    68,161x = 94,054.62 × 37,939.36
  4. Step 4: Simplify right side
    68,161x = 3,568,372,087.84
  5. Step 5: Solve for x
    x = 3,568,372,087.84/68,161
  6. Step 6: Final answer
    x = 52,352.11

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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.