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Finding the Fourth Proportional to 100,356.16, 150,425.92 and 44,146.24

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Solution

The fourth proportional to 100,356.16, 150,425.92 and 44,146.24 is: 66,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,356.16 : 150,425.92 = 44,146.24 : x
  2. Step 2: Convert to fraction form
    100,356.16/150,425.92 = 44,146.24/x
  3. Step 3: Cross multiply
    100,356.16x = 150,425.92 × 44,146.24
  4. Step 4: Simplify right side
    100,356.16x = 6,640,738,766.54
  5. Step 5: Solve for x
    x = 6,640,738,766.54/100,356.16
  6. Step 6: Final answer
    x = 66,171.71

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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.