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Finding the Fourth Proportional to 441,435.90, 662,159.94 and 125,892.75

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Solution

The fourth proportional to 441,435.90, 662,159.94 and 125,892.75 is: 188,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,435.90 : 662,159.94 = 125,892.75 : x
  2. Step 2: Convert to fraction form
    441,435.90/662,159.94 = 125,892.75/x
  3. Step 3: Cross multiply
    441,435.90x = 662,159.94 × 125,892.75
  4. Step 4: Simplify right side
    441,435.90x = 83,361,135,786.44
  5. Step 5: Solve for x
    x = 83,361,135,786.44/441,435.90
  6. Step 6: Final answer
    x = 188,840.86

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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.