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Finding the Fourth Proportional to 148,249.80, 204,584.81 and 80,266.79

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Solution

The fourth proportional to 148,249.80, 204,584.81 and 80,266.79 is: 110,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,249.80 : 204,584.81 = 80,266.79 : x
  2. Step 2: Convert to fraction form
    148,249.80/204,584.81 = 80,266.79/x
  3. Step 3: Cross multiply
    148,249.80x = 204,584.81 × 80,266.79
  4. Step 4: Simplify right side
    148,249.80x = 16,421,366,091.59
  5. Step 5: Solve for x
    x = 16,421,366,091.59/148,249.80
  6. Step 6: Final answer
    x = 110,768.22

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1.5x scale

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.