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Finding the Fourth Proportional to 89,914.26, 134,885.99 and 33,758.78

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Solution

The fourth proportional to 89,914.26, 134,885.99 and 33,758.78 is: 50,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,914.26 : 134,885.99 = 33,758.78 : x
  2. Step 2: Convert to fraction form
    89,914.26/134,885.99 = 33,758.78/x
  3. Step 3: Cross multiply
    89,914.26x = 134,885.99 × 33,758.78
  4. Step 4: Simplify right side
    89,914.26x = 4,553,586,461.49
  5. Step 5: Solve for x
    x = 4,553,586,461.49/89,914.26
  6. Step 6: Final answer
    x = 50,643.65

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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.