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Finding the Fourth Proportional to 216,544.46, 324,847.26 and 66,796.92

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Solution

The fourth proportional to 216,544.46, 324,847.26 and 66,796.92 is: 100,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,544.46 : 324,847.26 = 66,796.92 : x
  2. Step 2: Convert to fraction form
    216,544.46/324,847.26 = 66,796.92/x
  3. Step 3: Cross multiply
    216,544.46x = 324,847.26 × 66,796.92
  4. Step 4: Simplify right side
    216,544.46x = 21,698,796,438.44
  5. Step 5: Solve for x
    x = 21,698,796,438.44/216,544.46
  6. Step 6: Final answer
    x = 100,204.81

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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.