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Finding the Fourth Proportional to 79,759.39, 110,072.86 and 43,949.39

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Solution

The fourth proportional to 79,759.39, 110,072.86 and 43,949.39 is: 60,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,759.39 : 110,072.86 = 43,949.39 : x
  2. Step 2: Convert to fraction form
    79,759.39/110,072.86 = 43,949.39/x
  3. Step 3: Cross multiply
    79,759.39x = 110,072.86 × 43,949.39
  4. Step 4: Simplify right side
    79,759.39x = 4,837,634,805.09
  5. Step 5: Solve for x
    x = 4,837,634,805.09/79,759.39
  6. Step 6: Final answer
    x = 60,652.86

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1.5x scale

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.