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Finding the Fourth Proportional to 79,947.96, 119,900.08 and 30,024.22

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Solution

The fourth proportional to 79,947.96, 119,900.08 and 30,024.22 is: 45,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,947.96 : 119,900.08 = 30,024.22 : x
  2. Step 2: Convert to fraction form
    79,947.96/119,900.08 = 30,024.22/x
  3. Step 3: Cross multiply
    79,947.96x = 119,900.08 × 30,024.22
  4. Step 4: Simplify right side
    79,947.96x = 3,599,906,379.94
  5. Step 5: Solve for x
    x = 3,599,906,379.94/79,947.96
  6. Step 6: Final answer
    x = 45,028.12

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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.