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Finding the Fourth Proportional to 179,371.98, 269,021.28 and 67,031.46

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Solution

The fourth proportional to 179,371.98, 269,021.28 and 67,031.46 is: 100,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,371.98 : 269,021.28 = 67,031.46 : x
  2. Step 2: Convert to fraction form
    179,371.98/269,021.28 = 67,031.46/x
  3. Step 3: Cross multiply
    179,371.98x = 269,021.28 × 67,031.46
  4. Step 4: Simplify right side
    179,371.98x = 18,032,889,169.47
  5. Step 5: Solve for x
    x = 18,032,889,169.47/179,371.98
  6. Step 6: Final answer
    x = 100,533.48

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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.