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Finding the Fourth Proportional to 220,083.44, 330,147.02 and 79,853.00

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Solution

The fourth proportional to 220,083.44, 330,147.02 and 79,853.00 is: 119,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,083.44 : 330,147.02 = 79,853.00 : x
  2. Step 2: Convert to fraction form
    220,083.44/330,147.02 = 79,853.00/x
  3. Step 3: Cross multiply
    220,083.44x = 330,147.02 × 79,853.00
  4. Step 4: Simplify right side
    220,083.44x = 26,363,228,536.96
  5. Step 5: Solve for x
    x = 26,363,228,536.96/220,083.44
  6. Step 6: Final answer
    x = 119,787.43

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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.