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Finding the Fourth Proportional to 74,593.59, 102,939.11 and 41,059.59

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Solution

The fourth proportional to 74,593.59, 102,939.11 and 41,059.59 is: 56,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,593.59 : 102,939.11 = 41,059.59 : x
  2. Step 2: Convert to fraction form
    74,593.59/102,939.11 = 41,059.59/x
  3. Step 3: Cross multiply
    74,593.59x = 102,939.11 × 41,059.59
  4. Step 4: Simplify right side
    74,593.59x = 4,226,637,446.27
  5. Step 5: Solve for x
    x = 4,226,637,446.27/74,593.59
  6. Step 6: Final answer
    x = 56,662.21

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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.