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Finding the Fourth Proportional to 276,103.32, 414,174.80 and 73,698.36

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Solution

The fourth proportional to 276,103.32, 414,174.80 and 73,698.36 is: 110,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,103.32 : 414,174.80 = 73,698.36 : x
  2. Step 2: Convert to fraction form
    276,103.32/414,174.80 = 73,698.36/x
  3. Step 3: Cross multiply
    276,103.32x = 414,174.80 × 73,698.36
  4. Step 4: Simplify right side
    276,103.32x = 30,524,003,513.33
  5. Step 5: Solve for x
    x = 30,524,003,513.33/276,103.32
  6. Step 6: Final answer
    x = 110,552.83

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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.