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Finding the Fourth Proportional to 69,467.96, 104,201.64 and 16,877.60

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Solution

The fourth proportional to 69,467.96, 104,201.64 and 16,877.60 is: 25,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,467.96 : 104,201.64 = 16,877.60 : x
  2. Step 2: Convert to fraction form
    69,467.96/104,201.64 = 16,877.60/x
  3. Step 3: Cross multiply
    69,467.96x = 104,201.64 × 16,877.60
  4. Step 4: Simplify right side
    69,467.96x = 1,758,673,469.01
  5. Step 5: Solve for x
    x = 1,758,673,469.01/69,467.96
  6. Step 6: Final answer
    x = 25,316.32

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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.