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Finding the Fourth Proportional to 79,927.75, 119,915.12 and 23,768.29

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Solution

The fourth proportional to 79,927.75, 119,915.12 and 23,768.29 is: 35,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,927.75 : 119,915.12 = 23,768.29 : x
  2. Step 2: Convert to fraction form
    79,927.75/119,915.12 = 23,768.29/x
  3. Step 3: Cross multiply
    79,927.75x = 119,915.12 × 23,768.29
  4. Step 4: Simplify right side
    79,927.75x = 2,850,177,347.54
  5. Step 5: Solve for x
    x = 2,850,177,347.54/79,927.75
  6. Step 6: Final answer
    x = 35,659.42

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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.