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Finding the Fourth Proportional to 351,168.64, 526,836.78 and 114,511.60

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Solution

The fourth proportional to 351,168.64, 526,836.78 and 114,511.60 is: 171,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,168.64 : 526,836.78 = 114,511.60 : x
  2. Step 2: Convert to fraction form
    351,168.64/526,836.78 = 114,511.60/x
  3. Step 3: Cross multiply
    351,168.64x = 526,836.78 × 114,511.60
  4. Step 4: Simplify right side
    351,168.64x = 60,328,922,616.65
  5. Step 5: Solve for x
    x = 60,328,922,616.65/351,168.64
  6. Step 6: Final answer
    x = 171,794.73

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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.