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Finding the Fourth Proportional to 325,770.60, 488,267.10 and 136,230.60

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Solution

The fourth proportional to 325,770.60, 488,267.10 and 136,230.60 is: 204,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,770.60 : 488,267.10 = 136,230.60 : x
  2. Step 2: Convert to fraction form
    325,770.60/488,267.10 = 136,230.60/x
  3. Step 3: Cross multiply
    325,770.60x = 488,267.10 × 136,230.60
  4. Step 4: Simplify right side
    325,770.60x = 66,516,919,993.26
  5. Step 5: Solve for x
    x = 66,516,919,993.26/325,770.60
  6. Step 6: Final answer
    x = 204,183.31

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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.