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Finding the Fourth Proportional to 250,835.40, 376,310.58 and 108,704.54

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Solution

The fourth proportional to 250,835.40, 376,310.58 and 108,704.54 is: 163,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,835.40 : 376,310.58 = 108,704.54 : x
  2. Step 2: Convert to fraction form
    250,835.40/376,310.58 = 108,704.54/x
  3. Step 3: Cross multiply
    250,835.40x = 376,310.58 × 108,704.54
  4. Step 4: Simplify right side
    250,835.40x = 40,906,666,614.48
  5. Step 5: Solve for x
    x = 40,906,666,614.48/250,835.40
  6. Step 6: Final answer
    x = 163,081.71

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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.