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Finding the Fourth Proportional to 71,961.87, 107,950.01 and 22,041.39

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Solution

The fourth proportional to 71,961.87, 107,950.01 and 22,041.39 is: 33,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,961.87 : 107,950.01 = 22,041.39 : x
  2. Step 2: Convert to fraction form
    71,961.87/107,950.01 = 22,041.39/x
  3. Step 3: Cross multiply
    71,961.87x = 107,950.01 × 22,041.39
  4. Step 4: Simplify right side
    71,961.87x = 2,379,368,160.71
  5. Step 5: Solve for x
    x = 2,379,368,160.71/71,961.87
  6. Step 6: Final answer
    x = 33,064.29

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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.