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Finding the Fourth Proportional to 321,961.77, 482,833.31 and 111,550.59

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Solution

The fourth proportional to 321,961.77, 482,833.31 and 111,550.59 is: 167,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,961.77 : 482,833.31 = 111,550.59 : x
  2. Step 2: Convert to fraction form
    321,961.77/482,833.31 = 111,550.59/x
  3. Step 3: Cross multiply
    321,961.77x = 482,833.31 × 111,550.59
  4. Step 4: Simplify right side
    321,961.77x = 53,860,340,044.40
  5. Step 5: Solve for x
    x = 53,860,340,044.40/321,961.77
  6. Step 6: Final answer
    x = 167,288.00

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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.