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Finding the Fourth Proportional to 100,524.39, 150,819.39 and 50,580.60

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Solution

The fourth proportional to 100,524.39, 150,819.39 and 50,580.60 is: 75,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,524.39 : 150,819.39 = 50,580.60 : x
  2. Step 2: Convert to fraction form
    100,524.39/150,819.39 = 50,580.60/x
  3. Step 3: Cross multiply
    100,524.39x = 150,819.39 × 50,580.60
  4. Step 4: Simplify right side
    100,524.39x = 7,628,535,237.83
  5. Step 5: Solve for x
    x = 7,628,535,237.83/100,524.39
  6. Step 6: Final answer
    x = 75,887.41

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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.