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Finding the Fourth Proportional to 72,218.43, 108,299.66 and 24,824.61

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Solution

The fourth proportional to 72,218.43, 108,299.66 and 24,824.61 is: 37,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,218.43 : 108,299.66 = 24,824.61 : x
  2. Step 2: Convert to fraction form
    72,218.43/108,299.66 = 24,824.61/x
  3. Step 3: Cross multiply
    72,218.43x = 108,299.66 × 24,824.61
  4. Step 4: Simplify right side
    72,218.43x = 2,688,496,698.51
  5. Step 5: Solve for x
    x = 2,688,496,698.51/72,218.43
  6. Step 6: Final answer
    x = 37,227.29

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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.