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Finding the Fourth Proportional to 168,367.84, 232,340.30 and 91,885

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Solution

The fourth proportional to 168,367.84, 232,340.30 and 91,885 is: 126,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,367.84 : 232,340.30 = 91,885 : x
  2. Step 2: Convert to fraction form
    168,367.84/232,340.30 = 91,885/x
  3. Step 3: Cross multiply
    168,367.84x = 232,340.30 × 91,885
  4. Step 4: Simplify right side
    168,367.84x = 21,348,588,465.50
  5. Step 5: Solve for x
    x = 21,348,588,465.50/168,367.84
  6. Step 6: Final answer
    x = 126,797.31

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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.