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Finding the Fourth Proportional to 73,729.38, 101,746.49 and 40,195.38

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Solution

The fourth proportional to 73,729.38, 101,746.49 and 40,195.38 is: 55,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,729.38 : 101,746.49 = 40,195.38 : x
  2. Step 2: Convert to fraction form
    73,729.38/101,746.49 = 40,195.38/x
  3. Step 3: Cross multiply
    73,729.38x = 101,746.49 × 40,195.38
  4. Step 4: Simplify right side
    73,729.38x = 4,089,738,628.24
  5. Step 5: Solve for x
    x = 4,089,738,628.24/73,729.38
  6. Step 6: Final answer
    x = 55,469.59

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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.