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Finding the Fourth Proportional to 264,571.74, 396,906.82 and 87,091.22

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Solution

The fourth proportional to 264,571.74, 396,906.82 and 87,091.22 is: 130,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,571.74 : 396,906.82 = 87,091.22 : x
  2. Step 2: Convert to fraction form
    264,571.74/396,906.82 = 87,091.22/x
  3. Step 3: Cross multiply
    264,571.74x = 396,906.82 × 87,091.22
  4. Step 4: Simplify right side
    264,571.74x = 34,567,099,954.66
  5. Step 5: Solve for x
    x = 34,567,099,954.66/264,571.74
  6. Step 6: Final answer
    x = 130,653.03

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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.