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Finding the Fourth Proportional to 168,234.21, 251,836.07 and 108,951.93

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Solution

The fourth proportional to 168,234.21, 251,836.07 and 108,951.93 is: 163,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,234.21 : 251,836.07 = 108,951.93 : x
  2. Step 2: Convert to fraction form
    168,234.21/251,836.07 = 108,951.93/x
  3. Step 3: Cross multiply
    168,234.21x = 251,836.07 × 108,951.93
  4. Step 4: Simplify right side
    168,234.21x = 27,438,025,325.36
  5. Step 5: Solve for x
    x = 27,438,025,325.36/168,234.21
  6. Step 6: Final answer
    x = 163,094.21

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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.