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Finding the Fourth Proportional to 69,763.96, 104,571.42 and 50,743

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Solution

The fourth proportional to 69,763.96, 104,571.42 and 50,743 is: 76,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,763.96 : 104,571.42 = 50,743 : x
  2. Step 2: Convert to fraction form
    69,763.96/104,571.42 = 50,743/x
  3. Step 3: Cross multiply
    69,763.96x = 104,571.42 × 50,743
  4. Step 4: Simplify right side
    69,763.96x = 5,306,267,565.06
  5. Step 5: Solve for x
    x = 5,306,267,565.06/69,763.96
  6. Step 6: Final answer
    x = 76,060.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.