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Finding the Fourth Proportional to 225,900.36, 338,846.76 and 55,123.74

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Solution

The fourth proportional to 225,900.36, 338,846.76 and 55,123.74 is: 82,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,900.36 : 338,846.76 = 55,123.74 : x
  2. Step 2: Convert to fraction form
    225,900.36/338,846.76 = 55,123.74/x
  3. Step 3: Cross multiply
    225,900.36x = 338,846.76 × 55,123.74
  4. Step 4: Simplify right side
    225,900.36x = 18,678,500,698.08
  5. Step 5: Solve for x
    x = 18,678,500,698.08/225,900.36
  6. Step 6: Final answer
    x = 82,684.69

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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.