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Finding the Fourth Proportional to 379,047.21, 568,568.51 and 94,736.33

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Solution

The fourth proportional to 379,047.21, 568,568.51 and 94,736.33 is: 142,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,047.21 : 568,568.51 = 94,736.33 : x
  2. Step 2: Convert to fraction form
    379,047.21/568,568.51 = 94,736.33/x
  3. Step 3: Cross multiply
    379,047.21x = 568,568.51 × 94,736.33
  4. Step 4: Simplify right side
    379,047.21x = 53,864,093,990.97
  5. Step 5: Solve for x
    x = 53,864,093,990.97/379,047.21
  6. Step 6: Final answer
    x = 142,103.92

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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.