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Finding the Fourth Proportional to 73,109.94, 100,896.48 and 41,279.64

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Solution

The fourth proportional to 73,109.94, 100,896.48 and 41,279.64 is: 56,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.94 : 100,896.48 = 41,279.64 : x
  2. Step 2: Convert to fraction form
    73,109.94/100,896.48 = 41,279.64/x
  3. Step 3: Cross multiply
    73,109.94x = 100,896.48 × 41,279.64
  4. Step 4: Simplify right side
    73,109.94x = 4,164,970,371.67
  5. Step 5: Solve for x
    x = 4,164,970,371.67/73,109.94
  6. Step 6: Final answer
    x = 56,968.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.