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Finding the Fourth Proportional to 71,965.62, 107,953.62 and 22,039.23

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Solution

The fourth proportional to 71,965.62, 107,953.62 and 22,039.23 is: 33,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,965.62 : 107,953.62 = 22,039.23 : x
  2. Step 2: Convert to fraction form
    71,965.62/107,953.62 = 22,039.23/x
  3. Step 3: Cross multiply
    71,965.62x = 107,953.62 × 22,039.23
  4. Step 4: Simplify right side
    71,965.62x = 2,379,214,660.51
  5. Step 5: Solve for x
    x = 2,379,214,660.51/71,965.62
  6. Step 6: Final answer
    x = 33,060.43

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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.