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Finding the Fourth Proportional to 75,459.92, 104,119.97 and 43,204.37

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Solution

The fourth proportional to 75,459.92, 104,119.97 and 43,204.37 is: 59,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.92 : 104,119.97 = 43,204.37 : x
  2. Step 2: Convert to fraction form
    75,459.92/104,119.97 = 43,204.37/x
  3. Step 3: Cross multiply
    75,459.92x = 104,119.97 × 43,204.37
  4. Step 4: Simplify right side
    75,459.92x = 4,498,436,971.65
  5. Step 5: Solve for x
    x = 4,498,436,971.65/75,459.92
  6. Step 6: Final answer
    x = 59,613.60

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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.