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Finding the Fourth Proportional to 222,638.96, 334,067.96 and 104,289.84

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Solution

The fourth proportional to 222,638.96, 334,067.96 and 104,289.84 is: 156,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,638.96 : 334,067.96 = 104,289.84 : x
  2. Step 2: Convert to fraction form
    222,638.96/334,067.96 = 104,289.84/x
  3. Step 3: Cross multiply
    222,638.96x = 334,067.96 × 104,289.84
  4. Step 4: Simplify right side
    222,638.96x = 34,839,894,097.53
  5. Step 5: Solve for x
    x = 34,839,894,097.53/222,638.96
  6. Step 6: Final answer
    x = 156,486.06

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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.