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Finding the Fourth Proportional to 221,851.98, 332,783.73 and 79,625.88

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Solution

The fourth proportional to 221,851.98, 332,783.73 and 79,625.88 is: 119,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,851.98 : 332,783.73 = 79,625.88 : x
  2. Step 2: Convert to fraction form
    221,851.98/332,783.73 = 79,625.88/x
  3. Step 3: Cross multiply
    221,851.98x = 332,783.73 × 79,625.88
  4. Step 4: Simplify right side
    221,851.98x = 26,498,197,350.93
  5. Step 5: Solve for x
    x = 26,498,197,350.93/221,851.98
  6. Step 6: Final answer
    x = 119,440.89

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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.