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Finding the Fourth Proportional to 193,321.60, 289,982.40 and 173,046.40

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Solution

The fourth proportional to 193,321.60, 289,982.40 and 173,046.40 is: 259,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,321.60 : 289,982.40 = 173,046.40 : x
  2. Step 2: Convert to fraction form
    193,321.60/289,982.40 = 173,046.40/x
  3. Step 3: Cross multiply
    193,321.60x = 289,982.40 × 173,046.40
  4. Step 4: Simplify right side
    193,321.60x = 50,180,410,383.36
  5. Step 5: Solve for x
    x = 50,180,410,383.36/193,321.60
  6. Step 6: Final answer
    x = 259,569.60

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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.