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Finding the Fourth Proportional to 74,554.68, 102,885.42 and 41,020.44

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Solution

The fourth proportional to 74,554.68, 102,885.42 and 41,020.44 is: 56,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,554.68 : 102,885.42 = 41,020.44 : x
  2. Step 2: Convert to fraction form
    74,554.68/102,885.42 = 41,020.44/x
  3. Step 3: Cross multiply
    74,554.68x = 102,885.42 × 41,020.44
  4. Step 4: Simplify right side
    74,554.68x = 4,220,405,197.98
  5. Step 5: Solve for x
    x = 4,220,405,197.98/74,554.68
  6. Step 6: Final answer
    x = 56,608.19

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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.