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Finding the Fourth Proportional to 73,327, 109,990.50 and 26,579.92

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Solution

The fourth proportional to 73,327, 109,990.50 and 26,579.92 is: 39,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,327 : 109,990.50 = 26,579.92 : x
  2. Step 2: Convert to fraction form
    73,327/109,990.50 = 26,579.92/x
  3. Step 3: Cross multiply
    73,327x = 109,990.50 × 26,579.92
  4. Step 4: Simplify right side
    73,327x = 2,923,538,690.76
  5. Step 5: Solve for x
    x = 2,923,538,690.76/73,327
  6. Step 6: Final answer
    x = 39,869.88

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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.