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Finding the Fourth Proportional to 441,309.60, 661,960.68 and 125,767.44

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Solution

The fourth proportional to 441,309.60, 661,960.68 and 125,767.44 is: 188,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,309.60 : 661,960.68 = 125,767.44 : x
  2. Step 2: Convert to fraction form
    441,309.60/661,960.68 = 125,767.44/x
  3. Step 3: Cross multiply
    441,309.60x = 661,960.68 × 125,767.44
  4. Step 4: Simplify right side
    441,309.60x = 83,253,100,104.26
  5. Step 5: Solve for x
    x = 83,253,100,104.26/441,309.60
  6. Step 6: Final answer
    x = 188,650.10

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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.