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Finding the Fourth Proportional to 107,273.68, 160,962.78 and 44,112.78

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Solution

The fourth proportional to 107,273.68, 160,962.78 and 44,112.78 is: 66,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,273.68 : 160,962.78 = 44,112.78 : x
  2. Step 2: Convert to fraction form
    107,273.68/160,962.78 = 44,112.78/x
  3. Step 3: Cross multiply
    107,273.68x = 160,962.78 × 44,112.78
  4. Step 4: Simplify right side
    107,273.68x = 7,100,515,353.01
  5. Step 5: Solve for x
    x = 7,100,515,353.01/107,273.68
  6. Step 6: Final answer
    x = 66,190.66

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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.