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Finding the Fourth Proportional to 67,180.80, 100,767.89 and 25,057.61

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Solution

The fourth proportional to 67,180.80, 100,767.89 and 25,057.61 is: 37,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180.80 : 100,767.89 = 25,057.61 : x
  2. Step 2: Convert to fraction form
    67,180.80/100,767.89 = 25,057.61/x
  3. Step 3: Cross multiply
    67,180.80x = 100,767.89 × 25,057.61
  4. Step 4: Simplify right side
    67,180.80x = 2,525,001,859.02
  5. Step 5: Solve for x
    x = 2,525,001,859.02/67,180.80
  6. Step 6: Final answer
    x = 37,585.17

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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.