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Finding the Fourth Proportional to 199,951.60, 275,933.78 and 109,308.64

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Solution

The fourth proportional to 199,951.60, 275,933.78 and 109,308.64 is: 150,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,951.60 : 275,933.78 = 109,308.64 : x
  2. Step 2: Convert to fraction form
    199,951.60/275,933.78 = 109,308.64/x
  3. Step 3: Cross multiply
    199,951.60x = 275,933.78 × 109,308.64
  4. Step 4: Simplify right side
    199,951.60x = 30,161,946,221.86
  5. Step 5: Solve for x
    x = 30,161,946,221.86/199,951.60
  6. Step 6: Final answer
    x = 150,846.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.