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Finding the Fourth Proportional to 69,687.63, 104,004.81 and 62,961.60

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Solution

The fourth proportional to 69,687.63, 104,004.81 and 62,961.60 is: 93,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,687.63 : 104,004.81 = 62,961.60 : x
  2. Step 2: Convert to fraction form
    69,687.63/104,004.81 = 62,961.60/x
  3. Step 3: Cross multiply
    69,687.63x = 104,004.81 × 62,961.60
  4. Step 4: Simplify right side
    69,687.63x = 6,548,309,245.30
  5. Step 5: Solve for x
    x = 6,548,309,245.30/69,687.63
  6. Step 6: Final answer
    x = 93,966.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.