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Finding the Fourth Proportional to 89,108.88, 133,611.44 and 33,709.20

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Solution

The fourth proportional to 89,108.88, 133,611.44 and 33,709.20 is: 50,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,108.88 : 133,611.44 = 33,709.20 : x
  2. Step 2: Convert to fraction form
    89,108.88/133,611.44 = 33,709.20/x
  3. Step 3: Cross multiply
    89,108.88x = 133,611.44 × 33,709.20
  4. Step 4: Simplify right side
    89,108.88x = 4,503,934,753.25
  5. Step 5: Solve for x
    x = 4,503,934,753.25/89,108.88
  6. Step 6: Final answer
    x = 50,544.17

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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.