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Finding the Fourth Proportional to 69,433.56, 104,131.44 and 19,510.56

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Solution

The fourth proportional to 69,433.56, 104,131.44 and 19,510.56 is: 29,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,433.56 : 104,131.44 = 19,510.56 : x
  2. Step 2: Convert to fraction form
    69,433.56/104,131.44 = 19,510.56/x
  3. Step 3: Cross multiply
    69,433.56x = 104,131.44 × 19,510.56
  4. Step 4: Simplify right side
    69,433.56x = 2,031,662,708.01
  5. Step 5: Solve for x
    x = 2,031,662,708.01/69,433.56
  6. Step 6: Final answer
    x = 29,260.53

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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.