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Finding the Fourth Proportional to 333,331.25, 500,048.82 and 108,639.56

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Solution

The fourth proportional to 333,331.25, 500,048.82 and 108,639.56 is: 162,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,331.25 : 500,048.82 = 108,639.56 : x
  2. Step 2: Convert to fraction form
    333,331.25/500,048.82 = 108,639.56/x
  3. Step 3: Cross multiply
    333,331.25x = 500,048.82 × 108,639.56
  4. Step 4: Simplify right side
    333,331.25x = 54,325,080,739.88
  5. Step 5: Solve for x
    x = 54,325,080,739.88/333,331.25
  6. Step 6: Final answer
    x = 162,976.26

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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.