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Finding the Fourth Proportional to 99,640.33, 149,427.99 and 33,062.58

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Solution

The fourth proportional to 99,640.33, 149,427.99 and 33,062.58 is: 49,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,640.33 : 149,427.99 = 33,062.58 : x
  2. Step 2: Convert to fraction form
    99,640.33/149,427.99 = 33,062.58/x
  3. Step 3: Cross multiply
    99,640.33x = 149,427.99 × 33,062.58
  4. Step 4: Simplify right side
    99,640.33x = 4,940,475,329.84
  5. Step 5: Solve for x
    x = 4,940,475,329.84/99,640.33
  6. Step 6: Final answer
    x = 49,583.09

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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.