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Finding the Fourth Proportional to 73,111.59, 100,893.20 and 41,279.67

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Solution

The fourth proportional to 73,111.59, 100,893.20 and 41,279.67 is: 56,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,111.59 : 100,893.20 = 41,279.67 : x
  2. Step 2: Convert to fraction form
    73,111.59/100,893.20 = 41,279.67/x
  3. Step 3: Cross multiply
    73,111.59x = 100,893.20 × 41,279.67
  4. Step 4: Simplify right side
    73,111.59x = 4,164,837,794.85
  5. Step 5: Solve for x
    x = 4,164,837,794.85/73,111.59
  6. Step 6: Final answer
    x = 56,965.49

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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.