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Finding the Fourth Proportional to 71,280.24, 106,944.09 and 23,900.01

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Solution

The fourth proportional to 71,280.24, 106,944.09 and 23,900.01 is: 35,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280.24 : 106,944.09 = 23,900.01 : x
  2. Step 2: Convert to fraction form
    71,280.24/106,944.09 = 23,900.01/x
  3. Step 3: Cross multiply
    71,280.24x = 106,944.09 × 23,900.01
  4. Step 4: Simplify right side
    71,280.24x = 2,555,964,820.44
  5. Step 5: Solve for x
    x = 2,555,964,820.44/71,280.24
  6. Step 6: Final answer
    x = 35,857.97

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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.