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Finding the Fourth Proportional to 73,266.93, 109,876.30 and 25,873.43

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Solution

The fourth proportional to 73,266.93, 109,876.30 and 25,873.43 is: 38,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,266.93 : 109,876.30 = 25,873.43 : x
  2. Step 2: Convert to fraction form
    73,266.93/109,876.30 = 25,873.43/x
  3. Step 3: Cross multiply
    73,266.93x = 109,876.30 × 25,873.43
  4. Step 4: Simplify right side
    73,266.93x = 2,842,876,142.64
  5. Step 5: Solve for x
    x = 2,842,876,142.64/73,266.93
  6. Step 6: Final answer
    x = 38,801.63

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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.