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Finding the Fourth Proportional to 74,593.56, 102,939.06 and 41,059.56

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Solution

The fourth proportional to 74,593.56, 102,939.06 and 41,059.56 is: 56,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,593.56 : 102,939.06 = 41,059.56 : x
  2. Step 2: Convert to fraction form
    74,593.56/102,939.06 = 41,059.56/x
  3. Step 3: Cross multiply
    74,593.56x = 102,939.06 × 41,059.56
  4. Step 4: Simplify right side
    74,593.56x = 4,226,632,510.41
  5. Step 5: Solve for x
    x = 4,226,632,510.41/74,593.56
  6. Step 6: Final answer
    x = 56,662.16

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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.