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Finding the Fourth Proportional to 381,080.50, 571,620.96 and 96,792.37

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Solution

The fourth proportional to 381,080.50, 571,620.96 and 96,792.37 is: 145,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,080.50 : 571,620.96 = 96,792.37 : x
  2. Step 2: Convert to fraction form
    381,080.50/571,620.96 = 96,792.37/x
  3. Step 3: Cross multiply
    381,080.50x = 571,620.96 × 96,792.37
  4. Step 4: Simplify right side
    381,080.50x = 55,328,546,031.02
  5. Step 5: Solve for x
    x = 55,328,546,031.02/381,080.50
  6. Step 6: Final answer
    x = 145,188.61

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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.