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Finding the Fourth Proportional to 69,441.72, 104,167.44 and 34,371.96

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Solution

The fourth proportional to 69,441.72, 104,167.44 and 34,371.96 is: 51,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,441.72 : 104,167.44 = 34,371.96 : x
  2. Step 2: Convert to fraction form
    69,441.72/104,167.44 = 34,371.96/x
  3. Step 3: Cross multiply
    69,441.72x = 104,167.44 × 34,371.96
  4. Step 4: Simplify right side
    69,441.72x = 3,580,439,080.98
  5. Step 5: Solve for x
    x = 3,580,439,080.98/69,441.72
  6. Step 6: Final answer
    x = 51,560.35

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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.