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Finding the Fourth Proportional to 68,267.70, 94,181.81 and 41,400.41

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Solution

The fourth proportional to 68,267.70, 94,181.81 and 41,400.41 is: 57,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,267.70 : 94,181.81 = 41,400.41 : x
  2. Step 2: Convert to fraction form
    68,267.70/94,181.81 = 41,400.41/x
  3. Step 3: Cross multiply
    68,267.70x = 94,181.81 × 41,400.41
  4. Step 4: Simplify right side
    68,267.70x = 3,899,164,870.63
  5. Step 5: Solve for x
    x = 3,899,164,870.63/68,267.70
  6. Step 6: Final answer
    x = 57,115.81

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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.