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Finding the Fourth Proportional to 73,073.34, 100,840.68 and 41,241.96

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Solution

The fourth proportional to 73,073.34, 100,840.68 and 41,241.96 is: 56,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,073.34 : 100,840.68 = 41,241.96 : x
  2. Step 2: Convert to fraction form
    73,073.34/100,840.68 = 41,241.96/x
  3. Step 3: Cross multiply
    73,073.34x = 100,840.68 × 41,241.96
  4. Step 4: Simplify right side
    73,073.34x = 4,158,867,290.93
  5. Step 5: Solve for x
    x = 4,158,867,290.93/73,073.34
  6. Step 6: Final answer
    x = 56,913.61

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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.