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Finding the Fourth Proportional to 216,202.68, 324,321.30 and 75,992.76

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Solution

The fourth proportional to 216,202.68, 324,321.30 and 75,992.76 is: 113,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,202.68 : 324,321.30 = 75,992.76 : x
  2. Step 2: Convert to fraction form
    216,202.68/324,321.30 = 75,992.76/x
  3. Step 3: Cross multiply
    216,202.68x = 324,321.30 × 75,992.76
  4. Step 4: Simplify right side
    216,202.68x = 24,646,070,713.79
  5. Step 5: Solve for x
    x = 24,646,070,713.79/216,202.68
  6. Step 6: Final answer
    x = 113,995.21

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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.