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Finding the Fourth Proportional to 74,040.74, 110,944.87 and 50,359.58

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Solution

The fourth proportional to 74,040.74, 110,944.87 and 50,359.58 is: 75,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,040.74 : 110,944.87 = 50,359.58 : x
  2. Step 2: Convert to fraction form
    74,040.74/110,944.87 = 50,359.58/x
  3. Step 3: Cross multiply
    74,040.74x = 110,944.87 × 50,359.58
  4. Step 4: Simplify right side
    74,040.74x = 5,587,137,056.35
  5. Step 5: Solve for x
    x = 5,587,137,056.35/74,040.74
  6. Step 6: Final answer
    x = 75,460.31

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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.