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Finding the Fourth Proportional to 183,998.40, 275,997.60 and 127,719.60

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Solution

The fourth proportional to 183,998.40, 275,997.60 and 127,719.60 is: 191,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,998.40 : 275,997.60 = 127,719.60 : x
  2. Step 2: Convert to fraction form
    183,998.40/275,997.60 = 127,719.60/x
  3. Step 3: Cross multiply
    183,998.40x = 275,997.60 × 127,719.60
  4. Step 4: Simplify right side
    183,998.40x = 35,250,303,072.96
  5. Step 5: Solve for x
    x = 35,250,303,072.96/183,998.40
  6. Step 6: Final answer
    x = 191,579.40

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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.