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Finding the Fourth Proportional to 300,858.52, 450,813.06 and 111,057.72

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Solution

The fourth proportional to 300,858.52, 450,813.06 and 111,057.72 is: 166,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,858.52 : 450,813.06 = 111,057.72 : x
  2. Step 2: Convert to fraction form
    300,858.52/450,813.06 = 111,057.72/x
  3. Step 3: Cross multiply
    300,858.52x = 450,813.06 × 111,057.72
  4. Step 4: Simplify right side
    300,858.52x = 50,066,270,589.82
  5. Step 5: Solve for x
    x = 50,066,270,589.82/300,858.52
  6. Step 6: Final answer
    x = 166,411.34

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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.