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Finding the Fourth Proportional to 300,113.24, 450,230.60 and 122,634.54

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Solution

The fourth proportional to 300,113.24, 450,230.60 and 122,634.54 is: 183,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,113.24 : 450,230.60 = 122,634.54 : x
  2. Step 2: Convert to fraction form
    300,113.24/450,230.60 = 122,634.54/x
  3. Step 3: Cross multiply
    300,113.24x = 450,230.60 × 122,634.54
  4. Step 4: Simplify right side
    300,113.24x = 55,213,822,831.51
  5. Step 5: Solve for x
    x = 55,213,822,831.51/300,113.24
  6. Step 6: Final answer
    x = 183,976.63

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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.