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Finding the Fourth Proportional to 168,675.94, 232,750.34 and 108,328.34

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Solution

The fourth proportional to 168,675.94, 232,750.34 and 108,328.34 is: 149,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,675.94 : 232,750.34 = 108,328.34 : x
  2. Step 2: Convert to fraction form
    168,675.94/232,750.34 = 108,328.34/x
  3. Step 3: Cross multiply
    168,675.94x = 232,750.34 × 108,328.34
  4. Step 4: Simplify right side
    168,675.94x = 25,213,456,799.21
  5. Step 5: Solve for x
    x = 25,213,456,799.21/168,675.94
  6. Step 6: Final answer
    x = 149,478.68

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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.