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Finding the Fourth Proportional to 74,183, 102,372.54 and 44,375

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Solution

The fourth proportional to 74,183, 102,372.54 and 44,375 is: 61,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,183 : 102,372.54 = 44,375 : x
  2. Step 2: Convert to fraction form
    74,183/102,372.54 = 44,375/x
  3. Step 3: Cross multiply
    74,183x = 102,372.54 × 44,375
  4. Step 4: Simplify right side
    74,183x = 4,542,781,462.50
  5. Step 5: Solve for x
    x = 4,542,781,462.50/74,183
  6. Step 6: Final answer
    x = 61,237.50

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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.