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Finding the Fourth Proportional to 71,974.64, 107,958.07 and 22,054.88

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Solution

The fourth proportional to 71,974.64, 107,958.07 and 22,054.88 is: 33,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,974.64 : 107,958.07 = 22,054.88 : x
  2. Step 2: Convert to fraction form
    71,974.64/107,958.07 = 22,054.88/x
  3. Step 3: Cross multiply
    71,974.64x = 107,958.07 × 22,054.88
  4. Step 4: Simplify right side
    71,974.64x = 2,381,002,278.88
  5. Step 5: Solve for x
    x = 2,381,002,278.88/71,974.64
  6. Step 6: Final answer
    x = 33,081.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.