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Finding the Fourth Proportional to 67,963.53, 93,853.31 and 43,806.90

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Solution

The fourth proportional to 67,963.53, 93,853.31 and 43,806.90 is: 60,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,963.53 : 93,853.31 = 43,806.90 : x
  2. Step 2: Convert to fraction form
    67,963.53/93,853.31 = 43,806.90/x
  3. Step 3: Cross multiply
    67,963.53x = 93,853.31 × 43,806.90
  4. Step 4: Simplify right side
    67,963.53x = 4,111,422,346.80
  5. Step 5: Solve for x
    x = 4,111,422,346.80/67,963.53
  6. Step 6: Final answer
    x = 60,494.54

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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.