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Finding the Fourth Proportional to 67,629.97, 93,318.64 and 43,757.65

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Solution

The fourth proportional to 67,629.97, 93,318.64 and 43,757.65 is: 60,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,629.97 : 93,318.64 = 43,757.65 : x
  2. Step 2: Convert to fraction form
    67,629.97/93,318.64 = 43,757.65/x
  3. Step 3: Cross multiply
    67,629.97x = 93,318.64 × 43,757.65
  4. Step 4: Simplify right side
    67,629.97x = 4,083,404,387.60
  5. Step 5: Solve for x
    x = 4,083,404,387.60/67,629.97
  6. Step 6: Final answer
    x = 60,378.62

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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.