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Finding the Fourth Proportional to 69,454.56, 104,162.94 and 19,531.56

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Solution

The fourth proportional to 69,454.56, 104,162.94 and 19,531.56 is: 29,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,454.56 : 104,162.94 = 19,531.56 : x
  2. Step 2: Convert to fraction form
    69,454.56/104,162.94 = 19,531.56/x
  3. Step 3: Cross multiply
    69,454.56x = 104,162.94 × 19,531.56
  4. Step 4: Simplify right side
    69,454.56x = 2,034,464,712.39
  5. Step 5: Solve for x
    x = 2,034,464,712.39/69,454.56
  6. Step 6: Final answer
    x = 29,292.03

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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.