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Finding the Fourth Proportional to 188,336, 259,926.78 and 108,848

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Solution

The fourth proportional to 188,336, 259,926.78 and 108,848 is: 150,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,336 : 259,926.78 = 108,848 : x
  2. Step 2: Convert to fraction form
    188,336/259,926.78 = 108,848/x
  3. Step 3: Cross multiply
    188,336x = 259,926.78 × 108,848
  4. Step 4: Simplify right side
    188,336x = 28,292,510,149.44
  5. Step 5: Solve for x
    x = 28,292,510,149.44/188,336
  6. Step 6: Final answer
    x = 150,223.59

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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.