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Finding the Fourth Proportional to 69,508.56, 104,168.91 and 50,700.36

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Solution

The fourth proportional to 69,508.56, 104,168.91 and 50,700.36 is: 75,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,508.56 : 104,168.91 = 50,700.36 : x
  2. Step 2: Convert to fraction form
    69,508.56/104,168.91 = 50,700.36/x
  3. Step 3: Cross multiply
    69,508.56x = 104,168.91 × 50,700.36
  4. Step 4: Simplify right side
    69,508.56x = 5,281,401,237.81
  5. Step 5: Solve for x
    x = 5,281,401,237.81/69,508.56
  6. Step 6: Final answer
    x = 75,982.03

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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.