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Finding the Fourth Proportional to 227,161.44, 340,100.64 and 120,303

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Solution

The fourth proportional to 227,161.44, 340,100.64 and 120,303 is: 180,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,161.44 : 340,100.64 = 120,303 : x
  2. Step 2: Convert to fraction form
    227,161.44/340,100.64 = 120,303/x
  3. Step 3: Cross multiply
    227,161.44x = 340,100.64 × 120,303
  4. Step 4: Simplify right side
    227,161.44x = 40,915,127,293.92
  5. Step 5: Solve for x
    x = 40,915,127,293.92/227,161.44
  6. Step 6: Final answer
    x = 180,114.76

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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.