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Finding the Fourth Proportional to 168,765.66, 232,786.87 and 108,240.43

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Solution

The fourth proportional to 168,765.66, 232,786.87 and 108,240.43 is: 149,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,765.66 : 232,786.87 = 108,240.43 : x
  2. Step 2: Convert to fraction form
    168,765.66/232,786.87 = 108,240.43/x
  3. Step 3: Cross multiply
    168,765.66x = 232,786.87 × 108,240.43
  4. Step 4: Simplify right side
    168,765.66x = 25,196,950,907.15
  5. Step 5: Solve for x
    x = 25,196,950,907.15/168,765.66
  6. Step 6: Final answer
    x = 149,301.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.