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Finding the Fourth Proportional to 67,144.74, 100,726.68 and 25,021.22

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Solution

The fourth proportional to 67,144.74, 100,726.68 and 25,021.22 is: 37,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144.74 : 100,726.68 = 25,021.22 : x
  2. Step 2: Convert to fraction form
    67,144.74/100,726.68 = 25,021.22/x
  3. Step 3: Cross multiply
    67,144.74x = 100,726.68 × 25,021.22
  4. Step 4: Simplify right side
    67,144.74x = 2,520,304,420.15
  5. Step 5: Solve for x
    x = 2,520,304,420.15/67,144.74
  6. Step 6: Final answer
    x = 37,535.40

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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.