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Finding the Fourth Proportional to 264,033.21, 395,891.63 and 84,040.88

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Solution

The fourth proportional to 264,033.21, 395,891.63 and 84,040.88 is: 126,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,033.21 : 395,891.63 = 84,040.88 : x
  2. Step 2: Convert to fraction form
    264,033.21/395,891.63 = 84,040.88/x
  3. Step 3: Cross multiply
    264,033.21x = 395,891.63 × 84,040.88
  4. Step 4: Simplify right side
    264,033.21x = 33,271,080,969.83
  5. Step 5: Solve for x
    x = 33,271,080,969.83/264,033.21
  6. Step 6: Final answer
    x = 126,010.97

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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.