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Finding the Fourth Proportional to 60,183.89, 90,290.82 and 18,064.75

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Solution

The fourth proportional to 60,183.89, 90,290.82 and 18,064.75 is: 27,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,183.89 : 90,290.82 = 18,064.75 : x
  2. Step 2: Convert to fraction form
    60,183.89/90,290.82 = 18,064.75/x
  3. Step 3: Cross multiply
    60,183.89x = 90,290.82 × 18,064.75
  4. Step 4: Simplify right side
    60,183.89x = 1,631,080,864.87
  5. Step 5: Solve for x
    x = 1,631,080,864.87/60,183.89
  6. Step 6: Final answer
    x = 27,101.62

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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.