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Finding the Fourth Proportional to 71,993.05, 108,010.29 and 22,080.51

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Solution

The fourth proportional to 71,993.05, 108,010.29 and 22,080.51 is: 33,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,993.05 : 108,010.29 = 22,080.51 : x
  2. Step 2: Convert to fraction form
    71,993.05/108,010.29 = 22,080.51/x
  3. Step 3: Cross multiply
    71,993.05x = 108,010.29 × 22,080.51
  4. Step 4: Simplify right side
    71,993.05x = 2,384,922,288.45
  5. Step 5: Solve for x
    x = 2,384,922,288.45/71,993.05
  6. Step 6: Final answer
    x = 33,127.12

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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.