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Finding the Fourth Proportional to 60,109, 90,184.28 and 22,679.80

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Solution

The fourth proportional to 60,109, 90,184.28 and 22,679.80 is: 34,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,109 : 90,184.28 = 22,679.80 : x
  2. Step 2: Convert to fraction form
    60,109/90,184.28 = 22,679.80/x
  3. Step 3: Cross multiply
    60,109x = 90,184.28 × 22,679.80
  4. Step 4: Simplify right side
    60,109x = 2,045,361,433.54
  5. Step 5: Solve for x
    x = 2,045,361,433.54/60,109
  6. Step 6: Final answer
    x = 34,027.54

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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.