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Finding the Fourth Proportional to 135,759.92, 203,558 and 60,866.48

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Solution

The fourth proportional to 135,759.92, 203,558 and 60,866.48 is: 91,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,759.92 : 203,558 = 60,866.48 : x
  2. Step 2: Convert to fraction form
    135,759.92/203,558 = 60,866.48/x
  3. Step 3: Cross multiply
    135,759.92x = 203,558 × 60,866.48
  4. Step 4: Simplify right side
    135,759.92x = 12,389,858,935.84
  5. Step 5: Solve for x
    x = 12,389,858,935.84/135,759.92
  6. Step 6: Final answer
    x = 91,263.01

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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.