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Finding the Fourth Proportional to 77,169.80, 115,604.22 and 50,794.76

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Solution

The fourth proportional to 77,169.80, 115,604.22 and 50,794.76 is: 76,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,169.80 : 115,604.22 = 50,794.76 : x
  2. Step 2: Convert to fraction form
    77,169.80/115,604.22 = 50,794.76/x
  3. Step 3: Cross multiply
    77,169.80x = 115,604.22 × 50,794.76
  4. Step 4: Simplify right side
    77,169.80x = 5,872,088,609.89
  5. Step 5: Solve for x
    x = 5,872,088,609.89/77,169.80
  6. Step 6: Final answer
    x = 76,093.09

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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.