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Finding the Fourth Proportional to 130,608.74, 195,912.96 and 35,839.96

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Solution

The fourth proportional to 130,608.74, 195,912.96 and 35,839.96 is: 53,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,608.74 : 195,912.96 = 35,839.96 : x
  2. Step 2: Convert to fraction form
    130,608.74/195,912.96 = 35,839.96/x
  3. Step 3: Cross multiply
    130,608.74x = 195,912.96 × 35,839.96
  4. Step 4: Simplify right side
    130,608.74x = 7,021,512,649.88
  5. Step 5: Solve for x
    x = 7,021,512,649.88/130,608.74
  6. Step 6: Final answer
    x = 53,759.90

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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.