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Finding the Fourth Proportional to 179,544, 269,316 and 68,736

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Solution

The fourth proportional to 179,544, 269,316 and 68,736 is: 103,104

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,544 : 269,316 = 68,736 : x
  2. Step 2: Convert to fraction form
    179,544/269,316 = 68,736/x
  3. Step 3: Cross multiply
    179,544x = 269,316 × 68,736
  4. Step 4: Simplify right side
    179,544x = 18,511,704,576
  5. Step 5: Solve for x
    x = 18,511,704,576/179,544
  6. Step 6: Final answer
    x = 103,104

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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.