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Finding the Fourth Proportional to 159,813.29, 220,625.25 and 116,744.42

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Solution

The fourth proportional to 159,813.29, 220,625.25 and 116,744.42 is: 161,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.29 : 220,625.25 = 116,744.42 : x
  2. Step 2: Convert to fraction form
    159,813.29/220,625.25 = 116,744.42/x
  3. Step 3: Cross multiply
    159,813.29x = 220,625.25 × 116,744.42
  4. Step 4: Simplify right side
    159,813.29x = 25,756,766,264.88
  5. Step 5: Solve for x
    x = 25,756,766,264.88/159,813.29
  6. Step 6: Final answer
    x = 161,167.87

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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.