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Finding the Fourth Proportional to 69,441.92, 104,151.52 and 19,525.44

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Solution

The fourth proportional to 69,441.92, 104,151.52 and 19,525.44 is: 29,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,441.92 : 104,151.52 = 19,525.44 : x
  2. Step 2: Convert to fraction form
    69,441.92/104,151.52 = 19,525.44/x
  3. Step 3: Cross multiply
    69,441.92x = 104,151.52 × 19,525.44
  4. Step 4: Simplify right side
    69,441.92x = 2,033,604,254.67
  5. Step 5: Solve for x
    x = 2,033,604,254.67/69,441.92
  6. Step 6: Final answer
    x = 29,284.97

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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.