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Finding the Fourth Proportional to 188,951.44, 260,764.78 and 104,068.48

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Solution

The fourth proportional to 188,951.44, 260,764.78 and 104,068.48 is: 143,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,951.44 : 260,764.78 = 104,068.48 : x
  2. Step 2: Convert to fraction form
    188,951.44/260,764.78 = 104,068.48/x
  3. Step 3: Cross multiply
    188,951.44x = 260,764.78 × 104,068.48
  4. Step 4: Simplify right side
    188,951.44x = 27,137,394,292.13
  5. Step 5: Solve for x
    x = 27,137,394,292.13/188,951.44
  6. Step 6: Final answer
    x = 143,621.00

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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.