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Finding the Fourth Proportional to 50,119, 69,145.14 and 33,131.32

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Solution

The fourth proportional to 50,119, 69,145.14 and 33,131.32 is: 45,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,119 : 69,145.14 = 33,131.32 : x
  2. Step 2: Convert to fraction form
    50,119/69,145.14 = 33,131.32/x
  3. Step 3: Cross multiply
    50,119x = 69,145.14 × 33,131.32
  4. Step 4: Simplify right side
    50,119x = 2,290,869,759.78
  5. Step 5: Solve for x
    x = 2,290,869,759.78/50,119
  6. Step 6: Final answer
    x = 45,708.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.