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Finding the Fourth Proportional to 75,992.50, 113,817.42 and 36,579.11

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Solution

The fourth proportional to 75,992.50, 113,817.42 and 36,579.11 is: 54,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,992.50 : 113,817.42 = 36,579.11 : x
  2. Step 2: Convert to fraction form
    75,992.50/113,817.42 = 36,579.11/x
  3. Step 3: Cross multiply
    75,992.50x = 113,817.42 × 36,579.11
  4. Step 4: Simplify right side
    75,992.50x = 4,163,339,926.10
  5. Step 5: Solve for x
    x = 4,163,339,926.10/75,992.50
  6. Step 6: Final answer
    x = 54,786.20

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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.