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Finding the Fourth Proportional to 74,705.92, 103,093.76 and 41,169.92

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Solution

The fourth proportional to 74,705.92, 103,093.76 and 41,169.92 is: 56,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,705.92 : 103,093.76 = 41,169.92 : x
  2. Step 2: Convert to fraction form
    74,705.92/103,093.76 = 41,169.92/x
  3. Step 3: Cross multiply
    74,705.92x = 103,093.76 × 41,169.92
  4. Step 4: Simplify right side
    74,705.92x = 4,244,361,851.70
  5. Step 5: Solve for x
    x = 4,244,361,851.70/74,705.92
  6. Step 6: Final answer
    x = 56,814.26

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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.