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Finding the Fourth Proportional to 89,041.77, 133,584.26 and 26,712.27

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Solution

The fourth proportional to 89,041.77, 133,584.26 and 26,712.27 is: 40,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,041.77 : 133,584.26 = 26,712.27 : x
  2. Step 2: Convert to fraction form
    89,041.77/133,584.26 = 26,712.27/x
  3. Step 3: Cross multiply
    89,041.77x = 133,584.26 × 26,712.27
  4. Step 4: Simplify right side
    89,041.77x = 3,568,338,687.31
  5. Step 5: Solve for x
    x = 3,568,338,687.31/89,041.77
  6. Step 6: Final answer
    x = 40,074.88

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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.