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Finding the Fourth Proportional to 106,661.37, 159,939.81 and 62,299.29

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Solution

The fourth proportional to 106,661.37, 159,939.81 and 62,299.29 is: 93,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,661.37 : 159,939.81 = 62,299.29 : x
  2. Step 2: Convert to fraction form
    106,661.37/159,939.81 = 62,299.29/x
  3. Step 3: Cross multiply
    106,661.37x = 159,939.81 × 62,299.29
  4. Step 4: Simplify right side
    106,661.37x = 9,964,136,605.73
  5. Step 5: Solve for x
    x = 9,964,136,605.73/106,661.37
  6. Step 6: Final answer
    x = 93,418.42

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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.