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Finding the Fourth Proportional to 72,626.67, 108,940.01 and 20,040.26

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Solution

The fourth proportional to 72,626.67, 108,940.01 and 20,040.26 is: 30,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,626.67 : 108,940.01 = 20,040.26 : x
  2. Step 2: Convert to fraction form
    72,626.67/108,940.01 = 20,040.26/x
  3. Step 3: Cross multiply
    72,626.67x = 108,940.01 × 20,040.26
  4. Step 4: Simplify right side
    72,626.67x = 2,183,185,479.90
  5. Step 5: Solve for x
    x = 2,183,185,479.90/72,626.67
  6. Step 6: Final answer
    x = 30,060.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.