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Finding the Fourth Proportional to 135,464.45, 203,327.88 and 65,392.97

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Solution

The fourth proportional to 135,464.45, 203,327.88 and 65,392.97 is: 98,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,464.45 : 203,327.88 = 65,392.97 : x
  2. Step 2: Convert to fraction form
    135,464.45/203,327.88 = 65,392.97/x
  3. Step 3: Cross multiply
    135,464.45x = 203,327.88 × 65,392.97
  4. Step 4: Simplify right side
    135,464.45x = 13,296,212,940.36
  5. Step 5: Solve for x
    x = 13,296,212,940.36/135,464.45
  6. Step 6: Final answer
    x = 98,152.79

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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.