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Finding the Fourth Proportional to 273,003.21, 409,578.63 and 83,470.27

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Solution

The fourth proportional to 273,003.21, 409,578.63 and 83,470.27 is: 125,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,003.21 : 409,578.63 = 83,470.27 : x
  2. Step 2: Convert to fraction form
    273,003.21/409,578.63 = 83,470.27/x
  3. Step 3: Cross multiply
    273,003.21x = 409,578.63 × 83,470.27
  4. Step 4: Simplify right side
    273,003.21x = 34,187,639,415.27
  5. Step 5: Solve for x
    x = 34,187,639,415.27/273,003.21
  6. Step 6: Final answer
    x = 125,227.98

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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.