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Finding the Fourth Proportional to 73,003.16, 100,738.32 and 41,179.88

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Solution

The fourth proportional to 73,003.16, 100,738.32 and 41,179.88 is: 56,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.16 : 100,738.32 = 41,179.88 : x
  2. Step 2: Convert to fraction form
    73,003.16/100,738.32 = 41,179.88/x
  3. Step 3: Cross multiply
    73,003.16x = 100,738.32 × 41,179.88
  4. Step 4: Simplify right side
    73,003.16x = 4,148,391,425.31
  5. Step 5: Solve for x
    x = 4,148,391,425.31/73,003.16
  6. Step 6: Final answer
    x = 56,824.82

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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.