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Finding the Fourth Proportional to 100,351.65, 150,422.10 and 33,768.66

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Solution

The fourth proportional to 100,351.65, 150,422.10 and 33,768.66 is: 50,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,351.65 : 150,422.10 = 33,768.66 : x
  2. Step 2: Convert to fraction form
    100,351.65/150,422.10 = 33,768.66/x
  3. Step 3: Cross multiply
    100,351.65x = 150,422.10 × 33,768.66
  4. Step 4: Simplify right side
    100,351.65x = 5,079,552,751.39
  5. Step 5: Solve for x
    x = 5,079,552,751.39/100,351.65
  6. Step 6: Final answer
    x = 50,617.53

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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.