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Finding the Fourth Proportional to 168,441.92, 252,578.36 and 56,082.56

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Solution

The fourth proportional to 168,441.92, 252,578.36 and 56,082.56 is: 84,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,441.92 : 252,578.36 = 56,082.56 : x
  2. Step 2: Convert to fraction form
    168,441.92/252,578.36 = 56,082.56/x
  3. Step 3: Cross multiply
    168,441.92x = 252,578.36 × 56,082.56
  4. Step 4: Simplify right side
    168,441.92x = 14,165,241,029.40
  5. Step 5: Solve for x
    x = 14,165,241,029.40/168,441.92
  6. Step 6: Final answer
    x = 84,095.70

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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.