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Finding the Fourth Proportional to 68,741.99, 94,855.52 and 41,874.74

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Solution

The fourth proportional to 68,741.99, 94,855.52 and 41,874.74 is: 57,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,741.99 : 94,855.52 = 41,874.74 : x
  2. Step 2: Convert to fraction form
    68,741.99/94,855.52 = 41,874.74/x
  3. Step 3: Cross multiply
    68,741.99x = 94,855.52 × 41,874.74
  4. Step 4: Simplify right side
    68,741.99x = 3,972,050,028.19
  5. Step 5: Solve for x
    x = 3,972,050,028.19/68,741.99
  6. Step 6: Final answer
    x = 57,782.01

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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.