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Finding the Fourth Proportional to 372,940.08, 559,188.84 and 148,179.92

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Solution

The fourth proportional to 372,940.08, 559,188.84 and 148,179.92 is: 222,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,940.08 : 559,188.84 = 148,179.92 : x
  2. Step 2: Convert to fraction form
    372,940.08/559,188.84 = 148,179.92/x
  3. Step 3: Cross multiply
    372,940.08x = 559,188.84 × 148,179.92
  4. Step 4: Simplify right side
    372,940.08x = 82,860,557,576.09
  5. Step 5: Solve for x
    x = 82,860,557,576.09/372,940.08
  6. Step 6: Final answer
    x = 222,181.96

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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.