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Finding the Fourth Proportional to 73,245.96, 109,877.76 and 25,851.29

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Solution

The fourth proportional to 73,245.96, 109,877.76 and 25,851.29 is: 38,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.96 : 109,877.76 = 25,851.29 : x
  2. Step 2: Convert to fraction form
    73,245.96/109,877.76 = 25,851.29/x
  3. Step 3: Cross multiply
    73,245.96x = 109,877.76 × 25,851.29
  4. Step 4: Simplify right side
    73,245.96x = 2,840,481,288.92
  5. Step 5: Solve for x
    x = 2,840,481,288.92/73,245.96
  6. Step 6: Final answer
    x = 38,780.04

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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.