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Finding the Fourth Proportional to 68,349.99, 94,272.06 and 50,194.98

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Solution

The fourth proportional to 68,349.99, 94,272.06 and 50,194.98 is: 69,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349.99 : 94,272.06 = 50,194.98 : x
  2. Step 2: Convert to fraction form
    68,349.99/94,272.06 = 50,194.98/x
  3. Step 3: Cross multiply
    68,349.99x = 94,272.06 × 50,194.98
  4. Step 4: Simplify right side
    68,349.99x = 4,731,984,166.26
  5. Step 5: Solve for x
    x = 4,731,984,166.26/68,349.99
  6. Step 6: Final answer
    x = 69,231.67

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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.