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Finding the Fourth Proportional to 120,794.16, 181,103.70 and 60,859.56

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Solution

The fourth proportional to 120,794.16, 181,103.70 and 60,859.56 is: 91,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,794.16 : 181,103.70 = 60,859.56 : x
  2. Step 2: Convert to fraction form
    120,794.16/181,103.70 = 60,859.56/x
  3. Step 3: Cross multiply
    120,794.16x = 181,103.70 × 60,859.56
  4. Step 4: Simplify right side
    120,794.16x = 11,021,891,496.37
  5. Step 5: Solve for x
    x = 11,021,891,496.37/120,794.16
  6. Step 6: Final answer
    x = 91,245.23

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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.