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Finding the Fourth Proportional to 104,956.94, 144,758.67 and 67,234.70

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Solution

The fourth proportional to 104,956.94, 144,758.67 and 67,234.70 is: 92,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,956.94 : 144,758.67 = 67,234.70 : x
  2. Step 2: Convert to fraction form
    104,956.94/144,758.67 = 67,234.70/x
  3. Step 3: Cross multiply
    104,956.94x = 144,758.67 × 67,234.70
  4. Step 4: Simplify right side
    104,956.94x = 9,732,805,749.85
  5. Step 5: Solve for x
    x = 9,732,805,749.85/104,956.94
  6. Step 6: Final answer
    x = 92,731.42

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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.