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Finding the Fourth Proportional to 60,115.62, 90,158.04 and 22,664.61

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Solution

The fourth proportional to 60,115.62, 90,158.04 and 22,664.61 is: 33,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,115.62 : 90,158.04 = 22,664.61 : x
  2. Step 2: Convert to fraction form
    60,115.62/90,158.04 = 22,664.61/x
  3. Step 3: Cross multiply
    60,115.62x = 90,158.04 × 22,664.61
  4. Step 4: Simplify right side
    60,115.62x = 2,043,396,814.96
  5. Step 5: Solve for x
    x = 2,043,396,814.96/60,115.62
  6. Step 6: Final answer
    x = 33,991.11

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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.