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Finding the Fourth Proportional to 441,159.38, 661,739.14 and 108,735.38

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Solution

The fourth proportional to 441,159.38, 661,739.14 and 108,735.38 is: 163,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,159.38 : 661,739.14 = 108,735.38 : x
  2. Step 2: Convert to fraction form
    441,159.38/661,739.14 = 108,735.38/x
  3. Step 3: Cross multiply
    441,159.38x = 661,739.14 × 108,735.38
  4. Step 4: Simplify right side
    441,159.38x = 71,954,456,848.77
  5. Step 5: Solve for x
    x = 71,954,456,848.77/441,159.38
  6. Step 6: Final answer
    x = 163,103.09

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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.