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Finding the Fourth Proportional to 104,696.26, 144,469.60 and 61,672.38

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Solution

The fourth proportional to 104,696.26, 144,469.60 and 61,672.38 is: 85,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,696.26 : 144,469.60 = 61,672.38 : x
  2. Step 2: Convert to fraction form
    104,696.26/144,469.60 = 61,672.38/x
  3. Step 3: Cross multiply
    104,696.26x = 144,469.60 × 61,672.38
  4. Step 4: Simplify right side
    104,696.26x = 8,909,784,069.65
  5. Step 5: Solve for x
    x = 8,909,784,069.65/104,696.26
  6. Step 6: Final answer
    x = 85,101.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.