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Finding the Fourth Proportional to 250,698.07, 376,161.90 and 108,586.81

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Solution

The fourth proportional to 250,698.07, 376,161.90 and 108,586.81 is: 162,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,698.07 : 376,161.90 = 108,586.81 : x
  2. Step 2: Convert to fraction form
    250,698.07/376,161.90 = 108,586.81/x
  3. Step 3: Cross multiply
    250,698.07x = 376,161.90 × 108,586.81
  4. Step 4: Simplify right side
    250,698.07x = 40,846,220,764.54
  5. Step 5: Solve for x
    x = 40,846,220,764.54/250,698.07
  6. Step 6: Final answer
    x = 162,929.94

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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.