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Finding the Fourth Proportional to 74,906.46, 103,371.45 and 41,372.46

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Solution

The fourth proportional to 74,906.46, 103,371.45 and 41,372.46 is: 57,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,906.46 : 103,371.45 = 41,372.46 : x
  2. Step 2: Convert to fraction form
    74,906.46/103,371.45 = 41,372.46/x
  3. Step 3: Cross multiply
    74,906.46x = 103,371.45 × 41,372.46
  4. Step 4: Simplify right side
    74,906.46x = 4,276,731,180.27
  5. Step 5: Solve for x
    x = 4,276,731,180.27/74,906.46
  6. Step 6: Final answer
    x = 57,094.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.