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Finding the Fourth Proportional to 79,725.26, 110,016.80 and 43,914.50

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Solution

The fourth proportional to 79,725.26, 110,016.80 and 43,914.50 is: 60,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,725.26 : 110,016.80 = 43,914.50 : x
  2. Step 2: Convert to fraction form
    79,725.26/110,016.80 = 43,914.50/x
  3. Step 3: Cross multiply
    79,725.26x = 110,016.80 × 43,914.50
  4. Step 4: Simplify right side
    79,725.26x = 4,831,332,763.60
  5. Step 5: Solve for x
    x = 4,831,332,763.60/79,725.26
  6. Step 6: Final answer
    x = 60,599.77

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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.