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Finding the Fourth Proportional to 168,371.57, 252,529.88 and 68,527.73

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Solution

The fourth proportional to 168,371.57, 252,529.88 and 68,527.73 is: 102,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,371.57 : 252,529.88 = 68,527.73 : x
  2. Step 2: Convert to fraction form
    168,371.57/252,529.88 = 68,527.73/x
  3. Step 3: Cross multiply
    168,371.57x = 252,529.88 × 68,527.73
  4. Step 4: Simplify right side
    168,371.57x = 17,305,297,828.28
  5. Step 5: Solve for x
    x = 17,305,297,828.28/168,371.57
  6. Step 6: Final answer
    x = 102,780.41

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1.5x scale

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.