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Finding the Fourth Proportional to 79,755.76, 110,062.36 and 43,944.92

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Solution

The fourth proportional to 79,755.76, 110,062.36 and 43,944.92 is: 60,643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,755.76 : 110,062.36 = 43,944.92 : x
  2. Step 2: Convert to fraction form
    79,755.76/110,062.36 = 43,944.92/x
  3. Step 3: Cross multiply
    79,755.76x = 110,062.36 × 43,944.92
  4. Step 4: Simplify right side
    79,755.76x = 4,836,681,605.21
  5. Step 5: Solve for x
    x = 4,836,681,605.21/79,755.76
  6. Step 6: Final answer
    x = 60,643.67

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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.