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Finding the Fourth Proportional to 80,850.98, 111,577.74 and 45,041

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Solution

The fourth proportional to 80,850.98, 111,577.74 and 45,041 is: 62,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,850.98 : 111,577.74 = 45,041 : x
  2. Step 2: Convert to fraction form
    80,850.98/111,577.74 = 45,041/x
  3. Step 3: Cross multiply
    80,850.98x = 111,577.74 × 45,041
  4. Step 4: Simplify right side
    80,850.98x = 5,025,572,987.34
  5. Step 5: Solve for x
    x = 5,025,572,987.34/80,850.98
  6. Step 6: Final answer
    x = 62,158.47

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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.