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Finding the Fourth Proportional to 100,085.61, 150,121.94 and 37,754.49

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Solution

The fourth proportional to 100,085.61, 150,121.94 and 37,754.49 is: 56,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,085.61 : 150,121.94 = 37,754.49 : x
  2. Step 2: Convert to fraction form
    100,085.61/150,121.94 = 37,754.49/x
  3. Step 3: Cross multiply
    100,085.61x = 150,121.94 × 37,754.49
  4. Step 4: Simplify right side
    100,085.61x = 5,667,777,093.74
  5. Step 5: Solve for x
    x = 5,667,777,093.74/100,085.61
  6. Step 6: Final answer
    x = 56,629.29

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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.