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Finding the Fourth Proportional to 148,034.54, 204,286.65 and 80,966.54

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Solution

The fourth proportional to 148,034.54, 204,286.65 and 80,966.54 is: 111,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,034.54 : 204,286.65 = 80,966.54 : x
  2. Step 2: Convert to fraction form
    148,034.54/204,286.65 = 80,966.54/x
  3. Step 3: Cross multiply
    148,034.54x = 204,286.65 × 80,966.54
  4. Step 4: Simplify right side
    148,034.54x = 16,540,383,218.69
  5. Step 5: Solve for x
    x = 16,540,383,218.69/148,034.54
  6. Step 6: Final answer
    x = 111,733.27

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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.