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Finding the Fourth Proportional to 100,271.40, 150,447.60 and 44,122.20

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Solution

The fourth proportional to 100,271.40, 150,447.60 and 44,122.20 is: 66,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,271.40 : 150,447.60 = 44,122.20 : x
  2. Step 2: Convert to fraction form
    100,271.40/150,447.60 = 44,122.20/x
  3. Step 3: Cross multiply
    100,271.40x = 150,447.60 × 44,122.20
  4. Step 4: Simplify right side
    100,271.40x = 6,638,079,096.72
  5. Step 5: Solve for x
    x = 6,638,079,096.72/100,271.40
  6. Step 6: Final answer
    x = 66,201.12

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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.