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Finding the Fourth Proportional to 68,606.44, 102,776.48 and 50,561.88

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Solution

The fourth proportional to 68,606.44, 102,776.48 and 50,561.88 is: 75,744.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,606.44 : 102,776.48 = 50,561.88 : x
  2. Step 2: Convert to fraction form
    68,606.44/102,776.48 = 50,561.88/x
  3. Step 3: Cross multiply
    68,606.44x = 102,776.48 × 50,561.88
  4. Step 4: Simplify right side
    68,606.44x = 5,196,571,795.77
  5. Step 5: Solve for x
    x = 5,196,571,795.77/68,606.44
  6. Step 6: Final answer
    x = 75,744.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.