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Finding the Fourth Proportional to 73,685.44, 110,389.60 and 43,610.56

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Solution

The fourth proportional to 73,685.44, 110,389.60 and 43,610.56 is: 65,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685.44 : 110,389.60 = 43,610.56 : x
  2. Step 2: Convert to fraction form
    73,685.44/110,389.60 = 43,610.56/x
  3. Step 3: Cross multiply
    73,685.44x = 110,389.60 × 43,610.56
  4. Step 4: Simplify right side
    73,685.44x = 4,814,152,274.18
  5. Step 5: Solve for x
    x = 4,814,152,274.18/73,685.44
  6. Step 6: Final answer
    x = 65,333.83

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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.