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Finding the Fourth Proportional to 100,608.84, 150,819.48 and 34,002.39

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Solution

The fourth proportional to 100,608.84, 150,819.48 and 34,002.39 is: 50,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,608.84 : 150,819.48 = 34,002.39 : x
  2. Step 2: Convert to fraction form
    100,608.84/150,819.48 = 34,002.39/x
  3. Step 3: Cross multiply
    100,608.84x = 150,819.48 × 34,002.39
  4. Step 4: Simplify right side
    100,608.84x = 5,128,222,778.56
  5. Step 5: Solve for x
    x = 5,128,222,778.56/100,608.84
  6. Step 6: Final answer
    x = 50,971.89

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1.5x scale

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.