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Finding the Fourth Proportional to 273,379.33, 410,069.30 and 73,719.60

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Solution

The fourth proportional to 273,379.33, 410,069.30 and 73,719.60 is: 110,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,379.33 : 410,069.30 = 73,719.60 : x
  2. Step 2: Convert to fraction form
    273,379.33/410,069.30 = 73,719.60/x
  3. Step 3: Cross multiply
    273,379.33x = 410,069.30 × 73,719.60
  4. Step 4: Simplify right side
    273,379.33x = 30,230,144,768.28
  5. Step 5: Solve for x
    x = 30,230,144,768.28/273,379.33
  6. Step 6: Final answer
    x = 110,579.48

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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.