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Finding the Fourth Proportional to 67,640.46, 93,327.03 and 43,738.38

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Solution

The fourth proportional to 67,640.46, 93,327.03 and 43,738.38 is: 60,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,640.46 : 93,327.03 = 43,738.38 : x
  2. Step 2: Convert to fraction form
    67,640.46/93,327.03 = 43,738.38/x
  3. Step 3: Cross multiply
    67,640.46x = 93,327.03 × 43,738.38
  4. Step 4: Simplify right side
    67,640.46x = 4,081,973,102.41
  5. Step 5: Solve for x
    x = 4,081,973,102.41/67,640.46
  6. Step 6: Final answer
    x = 60,348.10

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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.