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Finding the Fourth Proportional to 69,404.60, 104,106.54 and 16,814.09

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Solution

The fourth proportional to 69,404.60, 104,106.54 and 16,814.09 is: 25,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404.60 : 104,106.54 = 16,814.09 : x
  2. Step 2: Convert to fraction form
    69,404.60/104,106.54 = 16,814.09/x
  3. Step 3: Cross multiply
    69,404.60x = 104,106.54 × 16,814.09
  4. Step 4: Simplify right side
    69,404.60x = 1,750,456,212.62
  5. Step 5: Solve for x
    x = 1,750,456,212.62/69,404.60
  6. Step 6: Final answer
    x = 25,221.04

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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.