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Finding the Fourth Proportional to 69,453.73, 104,109.07 and 27,316.72

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Solution

The fourth proportional to 69,453.73, 104,109.07 and 27,316.72 is: 40,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,453.73 : 104,109.07 = 27,316.72 : x
  2. Step 2: Convert to fraction form
    69,453.73/104,109.07 = 27,316.72/x
  3. Step 3: Cross multiply
    69,453.73x = 104,109.07 × 27,316.72
  4. Step 4: Simplify right side
    69,453.73x = 2,843,918,314.65
  5. Step 5: Solve for x
    x = 2,843,918,314.65/69,453.73
  6. Step 6: Final answer
    x = 40,946.95

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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.