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Finding the Fourth Proportional to 79,796.81, 110,115.25 and 43,984.01

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Solution

The fourth proportional to 79,796.81, 110,115.25 and 43,984.01 is: 60,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,796.81 : 110,115.25 = 43,984.01 : x
  2. Step 2: Convert to fraction form
    79,796.81/110,115.25 = 43,984.01/x
  3. Step 3: Cross multiply
    79,796.81x = 110,115.25 × 43,984.01
  4. Step 4: Simplify right side
    79,796.81x = 4,843,310,422.48
  5. Step 5: Solve for x
    x = 4,843,310,422.48/79,796.81
  6. Step 6: Final answer
    x = 60,695.54

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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.