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Finding the Fourth Proportional to 188,951.52, 260,751.44 and 104,066.80

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Solution

The fourth proportional to 188,951.52, 260,751.44 and 104,066.80 is: 143,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,951.52 : 260,751.44 = 104,066.80 : x
  2. Step 2: Convert to fraction form
    188,951.52/260,751.44 = 104,066.80/x
  3. Step 3: Cross multiply
    188,951.52x = 260,751.44 × 104,066.80
  4. Step 4: Simplify right side
    188,951.52x = 27,135,567,956.19
  5. Step 5: Solve for x
    x = 27,135,567,956.19/188,951.52
  6. Step 6: Final answer
    x = 143,611.27

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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.