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Finding the Fourth Proportional to 68,041.42, 101,843.75 and 36,372.29

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Solution

The fourth proportional to 68,041.42, 101,843.75 and 36,372.29 is: 54,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,041.42 : 101,843.75 = 36,372.29 : x
  2. Step 2: Convert to fraction form
    68,041.42/101,843.75 = 36,372.29/x
  3. Step 3: Cross multiply
    68,041.42x = 101,843.75 × 36,372.29
  4. Step 4: Simplify right side
    68,041.42x = 3,704,289,991.40
  5. Step 5: Solve for x
    x = 3,704,289,991.40/68,041.42
  6. Step 6: Final answer
    x = 54,441.69

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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.