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Finding the Fourth Proportional to 79,476.35, 119,183.22 and 28,863.41

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Solution

The fourth proportional to 79,476.35, 119,183.22 and 28,863.41 is: 43,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,476.35 : 119,183.22 = 28,863.41 : x
  2. Step 2: Convert to fraction form
    79,476.35/119,183.22 = 28,863.41/x
  3. Step 3: Cross multiply
    79,476.35x = 119,183.22 × 28,863.41
  4. Step 4: Simplify right side
    79,476.35x = 3,440,033,548.06
  5. Step 5: Solve for x
    x = 3,440,033,548.06/79,476.35
  6. Step 6: Final answer
    x = 43,283.74

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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.