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Finding the Fourth Proportional to 135,966.60, 203,777.10 and 65,694.60

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Solution

The fourth proportional to 135,966.60, 203,777.10 and 65,694.60 is: 98,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,966.60 : 203,777.10 = 65,694.60 : x
  2. Step 2: Convert to fraction form
    135,966.60/203,777.10 = 65,694.60/x
  3. Step 3: Cross multiply
    135,966.60x = 203,777.10 × 65,694.60
  4. Step 4: Simplify right side
    135,966.60x = 13,387,055,073.66
  5. Step 5: Solve for x
    x = 13,387,055,073.66/135,966.60
  6. Step 6: Final answer
    x = 98,458.41

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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.