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Finding the Fourth Proportional to 244,149.60, 336,918.60 and 135,249.45

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Solution

The fourth proportional to 244,149.60, 336,918.60 and 135,249.45 is: 186,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,149.60 : 336,918.60 = 135,249.45 : x
  2. Step 2: Convert to fraction form
    244,149.60/336,918.60 = 135,249.45/x
  3. Step 3: Cross multiply
    244,149.60x = 336,918.60 × 135,249.45
  4. Step 4: Simplify right side
    244,149.60x = 45,568,055,344.77
  5. Step 5: Solve for x
    x = 45,568,055,344.77/244,149.60
  6. Step 6: Final answer
    x = 186,639.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.