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Finding the Fourth Proportional to 68,793.75, 94,945.11 and 38,173.71

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Solution

The fourth proportional to 68,793.75, 94,945.11 and 38,173.71 is: 52,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,793.75 : 94,945.11 = 38,173.71 : x
  2. Step 2: Convert to fraction form
    68,793.75/94,945.11 = 38,173.71/x
  3. Step 3: Cross multiply
    68,793.75x = 94,945.11 × 38,173.71
  4. Step 4: Simplify right side
    68,793.75x = 3,624,407,095.06
  5. Step 5: Solve for x
    x = 3,624,407,095.06/68,793.75
  6. Step 6: Final answer
    x = 52,685.12

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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.