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Finding the Fourth Proportional to 106,759.67, 160,196.61 and 69,310.94

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Solution

The fourth proportional to 106,759.67, 160,196.61 and 69,310.94 is: 104,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,759.67 : 160,196.61 = 69,310.94 : x
  2. Step 2: Convert to fraction form
    106,759.67/160,196.61 = 69,310.94/x
  3. Step 3: Cross multiply
    106,759.67x = 160,196.61 × 69,310.94
  4. Step 4: Simplify right side
    106,759.67x = 11,103,377,623.91
  5. Step 5: Solve for x
    x = 11,103,377,623.91/106,759.67
  6. Step 6: Final answer
    x = 104,003.48

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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.