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Finding the Fourth Proportional to 73,721.28, 110,571.03 and 36,271.29

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Solution

The fourth proportional to 73,721.28, 110,571.03 and 36,271.29 is: 54,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.28 : 110,571.03 = 36,271.29 : x
  2. Step 2: Convert to fraction form
    73,721.28/110,571.03 = 36,271.29/x
  3. Step 3: Cross multiply
    73,721.28x = 110,571.03 × 36,271.29
  4. Step 4: Simplify right side
    73,721.28x = 4,010,553,894.73
  5. Step 5: Solve for x
    x = 4,010,553,894.73/73,721.28
  6. Step 6: Final answer
    x = 54,401.58

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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.