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Finding the Fourth Proportional to 179,211, 268,713.30 and 107,235.56

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Solution

The fourth proportional to 179,211, 268,713.30 and 107,235.56 is: 160,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,211 : 268,713.30 = 107,235.56 : x
  2. Step 2: Convert to fraction form
    179,211/268,713.30 = 107,235.56/x
  3. Step 3: Cross multiply
    179,211x = 268,713.30 × 107,235.56
  4. Step 4: Simplify right side
    179,211x = 28,815,621,204.95
  5. Step 5: Solve for x
    x = 28,815,621,204.95/179,211
  6. Step 6: Final answer
    x = 160,791.59

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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.