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Finding the Fourth Proportional to 183,963.60, 275,945.40 and 136,724.40

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Solution

The fourth proportional to 183,963.60, 275,945.40 and 136,724.40 is: 205,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,963.60 : 275,945.40 = 136,724.40 : x
  2. Step 2: Convert to fraction form
    183,963.60/275,945.40 = 136,724.40/x
  3. Step 3: Cross multiply
    183,963.60x = 275,945.40 × 136,724.40
  4. Step 4: Simplify right side
    183,963.60x = 37,728,469,247.76
  5. Step 5: Solve for x
    x = 37,728,469,247.76/183,963.60
  6. Step 6: Final answer
    x = 205,086.60

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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.