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Finding the Fourth Proportional to 74,111.95, 110,890.09 and 44,016

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Solution

The fourth proportional to 74,111.95, 110,890.09 and 44,016 is: 65,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,111.95 : 110,890.09 = 44,016 : x
  2. Step 2: Convert to fraction form
    74,111.95/110,890.09 = 44,016/x
  3. Step 3: Cross multiply
    74,111.95x = 110,890.09 × 44,016
  4. Step 4: Simplify right side
    74,111.95x = 4,880,938,201.44
  5. Step 5: Solve for x
    x = 4,880,938,201.44/74,111.95
  6. Step 6: Final answer
    x = 65,858.99

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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.