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Finding the Fourth Proportional to 73,020.09, 100,769.90 and 44,709.78

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Solution

The fourth proportional to 73,020.09, 100,769.90 and 44,709.78 is: 61,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,020.09 : 100,769.90 = 44,709.78 : x
  2. Step 2: Convert to fraction form
    73,020.09/100,769.90 = 44,709.78/x
  3. Step 3: Cross multiply
    73,020.09x = 100,769.90 × 44,709.78
  4. Step 4: Simplify right side
    73,020.09x = 4,505,400,059.62
  5. Step 5: Solve for x
    x = 4,505,400,059.62/73,020.09
  6. Step 6: Final answer
    x = 61,700.83

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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.