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Finding the Fourth Proportional to 445,062.58, 667,584.45 and 108,104.80

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Solution

The fourth proportional to 445,062.58, 667,584.45 and 108,104.80 is: 162,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,062.58 : 667,584.45 = 108,104.80 : x
  2. Step 2: Convert to fraction form
    445,062.58/667,584.45 = 108,104.80/x
  3. Step 3: Cross multiply
    445,062.58x = 667,584.45 × 108,104.80
  4. Step 4: Simplify right side
    445,062.58x = 72,169,083,450.36
  5. Step 5: Solve for x
    x = 72,169,083,450.36/445,062.58
  6. Step 6: Final answer
    x = 162,154.91

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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.