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Finding the Fourth Proportional to 408,033.82, 612,002.04 and 108,536.32

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Solution

The fourth proportional to 408,033.82, 612,002.04 and 108,536.32 is: 162,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,033.82 : 612,002.04 = 108,536.32 : x
  2. Step 2: Convert to fraction form
    408,033.82/612,002.04 = 108,536.32/x
  3. Step 3: Cross multiply
    408,033.82x = 612,002.04 × 108,536.32
  4. Step 4: Simplify right side
    408,033.82x = 66,424,449,254.09
  5. Step 5: Solve for x
    x = 66,424,449,254.09/408,033.82
  6. Step 6: Final answer
    x = 162,791.53

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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.