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Finding the Fourth Proportional to 77,794.75, 107,350.38 and 43,792.37

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Solution

The fourth proportional to 77,794.75, 107,350.38 and 43,792.37 is: 60,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794.75 : 107,350.38 = 43,792.37 : x
  2. Step 2: Convert to fraction form
    77,794.75/107,350.38 = 43,792.37/x
  3. Step 3: Cross multiply
    77,794.75x = 107,350.38 × 43,792.37
  4. Step 4: Simplify right side
    77,794.75x = 4,701,127,560.60
  5. Step 5: Solve for x
    x = 4,701,127,560.60/77,794.75
  6. Step 6: Final answer
    x = 60,429.88

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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.