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Finding the Fourth Proportional to 268,958.94, 371,165.77 and 148,104.51

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Solution

The fourth proportional to 268,958.94, 371,165.77 and 148,104.51 is: 204,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,958.94 : 371,165.77 = 148,104.51 : x
  2. Step 2: Convert to fraction form
    268,958.94/371,165.77 = 148,104.51/x
  3. Step 3: Cross multiply
    268,958.94x = 371,165.77 × 148,104.51
  4. Step 4: Simplify right side
    268,958.94x = 54,971,324,124.36
  5. Step 5: Solve for x
    x = 54,971,324,124.36/268,958.94
  6. Step 6: Final answer
    x = 204,385.56

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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.