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Finding the Fourth Proportional to 168,672.08, 252,922.10 and 56,311.92

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Solution

The fourth proportional to 168,672.08, 252,922.10 and 56,311.92 is: 84,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,672.08 : 252,922.10 = 56,311.92 : x
  2. Step 2: Convert to fraction form
    168,672.08/252,922.10 = 56,311.92/x
  3. Step 3: Cross multiply
    168,672.08x = 252,922.10 × 56,311.92
  4. Step 4: Simplify right side
    168,672.08x = 14,242,529,061.43
  5. Step 5: Solve for x
    x = 14,242,529,061.43/168,672.08
  6. Step 6: Final answer
    x = 84,439.16

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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.