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Finding the Fourth Proportional to 100,180.70, 150,265.92 and 33,621.38

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Solution

The fourth proportional to 100,180.70, 150,265.92 and 33,621.38 is: 50,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,180.70 : 150,265.92 = 33,621.38 : x
  2. Step 2: Convert to fraction form
    100,180.70/150,265.92 = 33,621.38/x
  3. Step 3: Cross multiply
    100,180.70x = 150,265.92 × 33,621.38
  4. Step 4: Simplify right side
    100,180.70x = 5,052,147,597.37
  5. Step 5: Solve for x
    x = 5,052,147,597.37/100,180.70
  6. Step 6: Final answer
    x = 50,430.35

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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.