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Finding the Fourth Proportional to 178,994.63, 268,477.90 and 104,067

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Solution

The fourth proportional to 178,994.63, 268,477.90 and 104,067 is: 156,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,994.63 : 268,477.90 = 104,067 : x
  2. Step 2: Convert to fraction form
    178,994.63/268,477.90 = 104,067/x
  3. Step 3: Cross multiply
    178,994.63x = 268,477.90 × 104,067
  4. Step 4: Simplify right side
    178,994.63x = 27,939,689,359.13
  5. Step 5: Solve for x
    x = 27,939,689,359.13/178,994.63
  6. Step 6: Final answer
    x = 156,092.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.