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Finding the Fourth Proportional to 100,337.84, 150,522.32 and 33,772.78

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Solution

The fourth proportional to 100,337.84, 150,522.32 and 33,772.78 is: 50,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,337.84 : 150,522.32 = 33,772.78 : x
  2. Step 2: Convert to fraction form
    100,337.84/150,522.32 = 33,772.78/x
  3. Step 3: Cross multiply
    100,337.84x = 150,522.32 × 33,772.78
  4. Step 4: Simplify right side
    100,337.84x = 5,083,557,198.45
  5. Step 5: Solve for x
    x = 5,083,557,198.45/100,337.84
  6. Step 6: Final answer
    x = 50,664.41

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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.