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Finding the Fourth Proportional to 89,759.78, 134,643.09 and 33,593.98

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Solution

The fourth proportional to 89,759.78, 134,643.09 and 33,593.98 is: 50,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,759.78 : 134,643.09 = 33,593.98 : x
  2. Step 2: Convert to fraction form
    89,759.78/134,643.09 = 33,593.98/x
  3. Step 3: Cross multiply
    89,759.78x = 134,643.09 × 33,593.98
  4. Step 4: Simplify right side
    89,759.78x = 4,523,196,431.41
  5. Step 5: Solve for x
    x = 4,523,196,431.41/89,759.78
  6. Step 6: Final answer
    x = 50,392.24

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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.