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Finding the Fourth Proportional to 104,667.88, 144,368.49 and 68,846.44

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Solution

The fourth proportional to 104,667.88, 144,368.49 and 68,846.44 is: 94,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,667.88 : 144,368.49 = 68,846.44 : x
  2. Step 2: Convert to fraction form
    104,667.88/144,368.49 = 68,846.44/x
  3. Step 3: Cross multiply
    104,667.88x = 144,368.49 × 68,846.44
  4. Step 4: Simplify right side
    104,667.88x = 9,939,256,584.68
  5. Step 5: Solve for x
    x = 9,939,256,584.68/104,667.88
  6. Step 6: Final answer
    x = 94,959.95

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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.