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Finding the Fourth Proportional to 79,441.96, 109,629.84 and 43,632.94

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Solution

The fourth proportional to 79,441.96, 109,629.84 and 43,632.94 is: 60,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441.96 : 109,629.84 = 43,632.94 : x
  2. Step 2: Convert to fraction form
    79,441.96/109,629.84 = 43,632.94/x
  3. Step 3: Cross multiply
    79,441.96x = 109,629.84 × 43,632.94
  4. Step 4: Simplify right side
    79,441.96x = 4,783,472,230.93
  5. Step 5: Solve for x
    x = 4,783,472,230.93/79,441.96
  6. Step 6: Final answer
    x = 60,213.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.