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Finding the Fourth Proportional to 173,287.59, 259,929.34 and 54,959.95

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Solution

The fourth proportional to 173,287.59, 259,929.34 and 54,959.95 is: 82,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,287.59 : 259,929.34 = 54,959.95 : x
  2. Step 2: Convert to fraction form
    173,287.59/259,929.34 = 54,959.95/x
  3. Step 3: Cross multiply
    173,287.59x = 259,929.34 × 54,959.95
  4. Step 4: Simplify right side
    173,287.59x = 14,285,703,717.44
  5. Step 5: Solve for x
    x = 14,285,703,717.44/173,287.59
  6. Step 6: Final answer
    x = 82,439.28

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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.