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Finding the Fourth Proportional to 164,555.62, 227,087.49 and 89,104.66

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Solution

The fourth proportional to 164,555.62, 227,087.49 and 89,104.66 is: 122,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,555.62 : 227,087.49 = 89,104.66 : x
  2. Step 2: Convert to fraction form
    164,555.62/227,087.49 = 89,104.66/x
  3. Step 3: Cross multiply
    164,555.62x = 227,087.49 × 89,104.66
  4. Step 4: Simplify right side
    164,555.62x = 20,234,553,586.70
  5. Step 5: Solve for x
    x = 20,234,553,586.70/164,555.62
  6. Step 6: Final answer
    x = 122,964.83

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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.