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Finding the Fourth Proportional to 68,163.90, 94,033.19 and 43,958.46

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Solution

The fourth proportional to 68,163.90, 94,033.19 and 43,958.46 is: 60,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,163.90 : 94,033.19 = 43,958.46 : x
  2. Step 2: Convert to fraction form
    68,163.90/94,033.19 = 43,958.46/x
  3. Step 3: Cross multiply
    68,163.90x = 94,033.19 × 43,958.46
  4. Step 4: Simplify right side
    68,163.90x = 4,133,554,001.50
  5. Step 5: Solve for x
    x = 4,133,554,001.50/68,163.90
  6. Step 6: Final answer
    x = 60,641.40

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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.