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Finding the Fourth Proportional to 79,722.93, 110,022.66 and 43,912.95

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Solution

The fourth proportional to 79,722.93, 110,022.66 and 43,912.95 is: 60,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,722.93 : 110,022.66 = 43,912.95 : x
  2. Step 2: Convert to fraction form
    79,722.93/110,022.66 = 43,912.95/x
  3. Step 3: Cross multiply
    79,722.93x = 110,022.66 × 43,912.95
  4. Step 4: Simplify right side
    79,722.93x = 4,831,419,567.45
  5. Step 5: Solve for x
    x = 4,831,419,567.45/79,722.93
  6. Step 6: Final answer
    x = 60,602.63

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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.