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Finding the Fourth Proportional to 79,722.56, 110,017.26 and 43,912.67

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Solution

The fourth proportional to 79,722.56, 110,017.26 and 43,912.67 is: 60,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,722.56 : 110,017.26 = 43,912.67 : x
  2. Step 2: Convert to fraction form
    79,722.56/110,017.26 = 43,912.67/x
  3. Step 3: Cross multiply
    79,722.56x = 110,017.26 × 43,912.67
  4. Step 4: Simplify right side
    79,722.56x = 4,831,151,632.68
  5. Step 5: Solve for x
    x = 4,831,151,632.68/79,722.56
  6. Step 6: Final answer
    x = 60,599.55

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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.