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Finding the Fourth Proportional to 100,093.41, 150,134.85 and 25,213.50

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Solution

The fourth proportional to 100,093.41, 150,134.85 and 25,213.50 is: 37,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,093.41 : 150,134.85 = 25,213.50 : x
  2. Step 2: Convert to fraction form
    100,093.41/150,134.85 = 25,213.50/x
  3. Step 3: Cross multiply
    100,093.41x = 150,134.85 × 25,213.50
  4. Step 4: Simplify right side
    100,093.41x = 3,785,425,040.48
  5. Step 5: Solve for x
    x = 3,785,425,040.48/100,093.41
  6. Step 6: Final answer
    x = 37,818.92

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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.