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Finding the Fourth Proportional to 69,400.50, 104,093.01 and 19,482.54

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Solution

The fourth proportional to 69,400.50, 104,093.01 and 19,482.54 is: 29,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,400.50 : 104,093.01 = 19,482.54 : x
  2. Step 2: Convert to fraction form
    69,400.50/104,093.01 = 19,482.54/x
  3. Step 3: Cross multiply
    69,400.50x = 104,093.01 × 19,482.54
  4. Step 4: Simplify right side
    69,400.50x = 2,027,996,231.05
  5. Step 5: Solve for x
    x = 2,027,996,231.05/69,400.50
  6. Step 6: Final answer
    x = 29,221.64

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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.