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Finding the Fourth Proportional to 276,556.88, 414,879.06 and 99,059.96

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Solution

The fourth proportional to 276,556.88, 414,879.06 and 99,059.96 is: 148,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,556.88 : 414,879.06 = 99,059.96 : x
  2. Step 2: Convert to fraction form
    276,556.88/414,879.06 = 99,059.96/x
  3. Step 3: Cross multiply
    276,556.88x = 414,879.06 × 99,059.96
  4. Step 4: Simplify right side
    276,556.88x = 41,097,904,497.11
  5. Step 5: Solve for x
    x = 41,097,904,497.11/276,556.88
  6. Step 6: Final answer
    x = 148,605.61

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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.