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Finding the Fourth Proportional to 269,477.91, 404,099.91 and 143,090.64

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Solution

The fourth proportional to 269,477.91, 404,099.91 and 143,090.64 is: 214,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,477.91 : 404,099.91 = 143,090.64 : x
  2. Step 2: Convert to fraction form
    269,477.91/404,099.91 = 143,090.64/x
  3. Step 3: Cross multiply
    269,477.91x = 404,099.91 × 143,090.64
  4. Step 4: Simplify right side
    269,477.91x = 57,822,914,745.84
  5. Step 5: Solve for x
    x = 57,822,914,745.84/269,477.91
  6. Step 6: Final answer
    x = 214,573.86

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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.