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Finding the Fourth Proportional to 67,019.40, 100,499.40 and 22,634.10

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Solution

The fourth proportional to 67,019.40, 100,499.40 and 22,634.10 is: 33,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019.40 : 100,499.40 = 22,634.10 : x
  2. Step 2: Convert to fraction form
    67,019.40/100,499.40 = 22,634.10/x
  3. Step 3: Cross multiply
    67,019.40x = 100,499.40 × 22,634.10
  4. Step 4: Simplify right side
    67,019.40x = 2,274,713,469.54
  5. Step 5: Solve for x
    x = 2,274,713,469.54/67,019.40
  6. Step 6: Final answer
    x = 33,941.12

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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.