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Finding the Fourth Proportional to 73,020.68, 100,771.61 and 41,189.57

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Solution

The fourth proportional to 73,020.68, 100,771.61 and 41,189.57 is: 56,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,020.68 : 100,771.61 = 41,189.57 : x
  2. Step 2: Convert to fraction form
    73,020.68/100,771.61 = 41,189.57/x
  3. Step 3: Cross multiply
    73,020.68x = 100,771.61 × 41,189.57
  4. Step 4: Simplify right side
    73,020.68x = 4,150,739,330.09
  5. Step 5: Solve for x
    x = 4,150,739,330.09/73,020.68
  6. Step 6: Final answer
    x = 56,843.34

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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.