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Finding the Fourth Proportional to 74,591.34, 102,936 and 41,057.34

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Solution

The fourth proportional to 74,591.34, 102,936 and 41,057.34 is: 56,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.34 : 102,936 = 41,057.34 : x
  2. Step 2: Convert to fraction form
    74,591.34/102,936 = 41,057.34/x
  3. Step 3: Cross multiply
    74,591.34x = 102,936 × 41,057.34
  4. Step 4: Simplify right side
    74,591.34x = 4,226,278,350.24
  5. Step 5: Solve for x
    x = 4,226,278,350.24/74,591.34
  6. Step 6: Final answer
    x = 56,659.10

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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.