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Finding the Fourth Proportional to 74,319.88, 102,554.67 and 44,100

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Solution

The fourth proportional to 74,319.88, 102,554.67 and 44,100 is: 60,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,319.88 : 102,554.67 = 44,100 : x
  2. Step 2: Convert to fraction form
    74,319.88/102,554.67 = 44,100/x
  3. Step 3: Cross multiply
    74,319.88x = 102,554.67 × 44,100
  4. Step 4: Simplify right side
    74,319.88x = 4,522,660,947
  5. Step 5: Solve for x
    x = 4,522,660,947/74,319.88
  6. Step 6: Final answer
    x = 60,853.99

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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.