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Finding the Fourth Proportional to 50,297.98, 75,747.87 and 45,814.02

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Solution

The fourth proportional to 50,297.98, 75,747.87 and 45,814.02 is: 68,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,297.98 : 75,747.87 = 45,814.02 : x
  2. Step 2: Convert to fraction form
    50,297.98/75,747.87 = 45,814.02/x
  3. Step 3: Cross multiply
    50,297.98x = 75,747.87 × 45,814.02
  4. Step 4: Simplify right side
    50,297.98x = 3,470,314,431.14
  5. Step 5: Solve for x
    x = 3,470,314,431.14/50,297.98
  6. Step 6: Final answer
    x = 68,995.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.