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Finding the Fourth Proportional to 381,081.50, 571,622.46 and 96,793.37

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Solution

The fourth proportional to 381,081.50, 571,622.46 and 96,793.37 is: 145,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,081.50 : 571,622.46 = 96,793.37 : x
  2. Step 2: Convert to fraction form
    381,081.50/571,622.46 = 96,793.37/x
  3. Step 3: Cross multiply
    381,081.50x = 571,622.46 × 96,793.37
  4. Step 4: Simplify right side
    381,081.50x = 55,329,264,271.09
  5. Step 5: Solve for x
    x = 55,329,264,271.09/381,081.50
  6. Step 6: Final answer
    x = 145,190.11

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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.