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Finding the Fourth Proportional to 100,081.41, 150,122.37 and 36,874.14

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Solution

The fourth proportional to 100,081.41, 150,122.37 and 36,874.14 is: 55,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,081.41 : 150,122.37 = 36,874.14 : x
  2. Step 2: Convert to fraction form
    100,081.41/150,122.37 = 36,874.14/x
  3. Step 3: Cross multiply
    100,081.41x = 150,122.37 × 36,874.14
  4. Step 4: Simplify right side
    100,081.41x = 5,535,633,288.51
  5. Step 5: Solve for x
    x = 5,535,633,288.51/100,081.41
  6. Step 6: Final answer
    x = 55,311.31

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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.