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Finding the Fourth Proportional to 323,063.73, 445,828.05 and 179,820.72

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Solution

The fourth proportional to 323,063.73, 445,828.05 and 179,820.72 is: 248,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,063.73 : 445,828.05 = 179,820.72 : x
  2. Step 2: Convert to fraction form
    323,063.73/445,828.05 = 179,820.72/x
  3. Step 3: Cross multiply
    323,063.73x = 445,828.05 × 179,820.72
  4. Step 4: Simplify right side
    323,063.73x = 80,169,120,947.20
  5. Step 5: Solve for x
    x = 80,169,120,947.20/323,063.73
  6. Step 6: Final answer
    x = 248,152.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.