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Finding the Fourth Proportional to 67,064.54, 100,609.25 and 22,088.39

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Solution

The fourth proportional to 67,064.54, 100,609.25 and 22,088.39 is: 33,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,064.54 : 100,609.25 = 22,088.39 : x
  2. Step 2: Convert to fraction form
    67,064.54/100,609.25 = 22,088.39/x
  3. Step 3: Cross multiply
    67,064.54x = 100,609.25 × 22,088.39
  4. Step 4: Simplify right side
    67,064.54x = 2,222,295,738.12
  5. Step 5: Solve for x
    x = 2,222,295,738.12/67,064.54
  6. Step 6: Final answer
    x = 33,136.68

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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.