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Finding the Fourth Proportional to 185,401, 277,936.55 and 67,046.03

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Solution

The fourth proportional to 185,401, 277,936.55 and 67,046.03 is: 100,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,401 : 277,936.55 = 67,046.03 : x
  2. Step 2: Convert to fraction form
    185,401/277,936.55 = 67,046.03/x
  3. Step 3: Cross multiply
    185,401x = 277,936.55 × 67,046.03
  4. Step 4: Simplify right side
    185,401x = 18,634,542,269.40
  5. Step 5: Solve for x
    x = 18,634,542,269.40/185,401
  6. Step 6: Final answer
    x = 100,509.39

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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.