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Finding the Fourth Proportional to 79,673.94, 119,531.46 and 23,511.78

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Solution

The fourth proportional to 79,673.94, 119,531.46 and 23,511.78 is: 35,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,673.94 : 119,531.46 = 23,511.78 : x
  2. Step 2: Convert to fraction form
    79,673.94/119,531.46 = 23,511.78/x
  3. Step 3: Cross multiply
    79,673.94x = 119,531.46 × 23,511.78
  4. Step 4: Simplify right side
    79,673.94x = 2,810,397,390.60
  5. Step 5: Solve for x
    x = 2,810,397,390.60/79,673.94
  6. Step 6: Final answer
    x = 35,273.73

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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.