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Finding the Fourth Proportional to 67,246.30, 100,882.74 and 19,862.22

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Solution

The fourth proportional to 67,246.30, 100,882.74 and 19,862.22 is: 29,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.30 : 100,882.74 = 19,862.22 : x
  2. Step 2: Convert to fraction form
    67,246.30/100,882.74 = 19,862.22/x
  3. Step 3: Cross multiply
    67,246.30x = 100,882.74 × 19,862.22
  4. Step 4: Simplify right side
    67,246.30x = 2,003,755,176.08
  5. Step 5: Solve for x
    x = 2,003,755,176.08/67,246.30
  6. Step 6: Final answer
    x = 29,797.26

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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.