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Finding the Fourth Proportional to 199,783.36, 299,793.26 and 73,512.27

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Solution

The fourth proportional to 199,783.36, 299,793.26 and 73,512.27 is: 110,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,783.36 : 299,793.26 = 73,512.27 : x
  2. Step 2: Convert to fraction form
    199,783.36/299,793.26 = 73,512.27/x
  3. Step 3: Cross multiply
    199,783.36x = 299,793.26 × 73,512.27
  4. Step 4: Simplify right side
    199,783.36x = 22,038,483,073.30
  5. Step 5: Solve for x
    x = 22,038,483,073.30/199,783.36
  6. Step 6: Final answer
    x = 110,311.91

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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.