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Finding the Fourth Proportional to 40,167.99, 60,173.57 and 19,078.02

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Solution

The fourth proportional to 40,167.99, 60,173.57 and 19,078.02 is: 28,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.99 : 60,173.57 = 19,078.02 : x
  2. Step 2: Convert to fraction form
    40,167.99/60,173.57 = 19,078.02/x
  3. Step 3: Cross multiply
    40,167.99x = 60,173.57 × 19,078.02
  4. Step 4: Simplify right side
    40,167.99x = 1,147,992,476.54
  5. Step 5: Solve for x
    x = 1,147,992,476.54/40,167.99
  6. Step 6: Final answer
    x = 28,579.78

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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.