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Finding the Fourth Proportional to 441,156.88, 661,735.38 and 108,732.88

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Solution

The fourth proportional to 441,156.88, 661,735.38 and 108,732.88 is: 163,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,156.88 : 661,735.38 = 108,732.88 : x
  2. Step 2: Convert to fraction form
    441,156.88/661,735.38 = 108,732.88/x
  3. Step 3: Cross multiply
    441,156.88x = 661,735.38 × 108,732.88
  4. Step 4: Simplify right side
    441,156.88x = 71,952,390,356.62
  5. Step 5: Solve for x
    x = 71,952,390,356.62/441,156.88
  6. Step 6: Final answer
    x = 163,099.33

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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.