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Finding the Fourth Proportional to 441,414.20, 662,127.44 and 125,871.09

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Solution

The fourth proportional to 441,414.20, 662,127.44 and 125,871.09 is: 188,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,414.20 : 662,127.44 = 125,871.09 : x
  2. Step 2: Convert to fraction form
    441,414.20/662,127.44 = 125,871.09/x
  3. Step 3: Cross multiply
    441,414.20x = 662,127.44 × 125,871.09
  4. Step 4: Simplify right side
    441,414.20x = 83,342,701,962.35
  5. Step 5: Solve for x
    x = 83,342,701,962.35/441,414.20
  6. Step 6: Final answer
    x = 188,808.39

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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.