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Finding the Fourth Proportional to 354,687.75, 532,016.71 and 165,082.89

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Solution

The fourth proportional to 354,687.75, 532,016.71 and 165,082.89 is: 247,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,687.75 : 532,016.71 = 165,082.89 : x
  2. Step 2: Convert to fraction form
    354,687.75/532,016.71 = 165,082.89/x
  3. Step 3: Cross multiply
    354,687.75x = 532,016.71 × 165,082.89
  4. Step 4: Simplify right side
    354,687.75x = 87,826,856,015.09
  5. Step 5: Solve for x
    x = 87,826,856,015.09/354,687.75
  6. Step 6: Final answer
    x = 247,617.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.