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Finding the Fourth Proportional to 173,272.39, 259,940.99 and 54,911.95

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Solution

The fourth proportional to 173,272.39, 259,940.99 and 54,911.95 is: 82,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272.39 : 259,940.99 = 54,911.95 : x
  2. Step 2: Convert to fraction form
    173,272.39/259,940.99 = 54,911.95/x
  3. Step 3: Cross multiply
    173,272.39x = 259,940.99 × 54,911.95
  4. Step 4: Simplify right side
    173,272.39x = 14,273,866,371.27
  5. Step 5: Solve for x
    x = 14,273,866,371.27/173,272.39
  6. Step 6: Final answer
    x = 82,378.19

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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.