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Finding the Fourth Proportional to 84,101.87, 126,131.29 and 24,923.73

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Solution

The fourth proportional to 84,101.87, 126,131.29 and 24,923.73 is: 37,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,101.87 : 126,131.29 = 24,923.73 : x
  2. Step 2: Convert to fraction form
    84,101.87/126,131.29 = 24,923.73/x
  3. Step 3: Cross multiply
    84,101.87x = 126,131.29 × 24,923.73
  4. Step 4: Simplify right side
    84,101.87x = 3,143,662,216.51
  5. Step 5: Solve for x
    x = 3,143,662,216.51/84,101.87
  6. Step 6: Final answer
    x = 37,379.22

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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.