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Finding the Fourth Proportional to 168,483.08, 252,640.11 and 56,123.80

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Solution

The fourth proportional to 168,483.08, 252,640.11 and 56,123.80 is: 84,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,483.08 : 252,640.11 = 56,123.80 : x
  2. Step 2: Convert to fraction form
    168,483.08/252,640.11 = 56,123.80/x
  3. Step 3: Cross multiply
    168,483.08x = 252,640.11 × 56,123.80
  4. Step 4: Simplify right side
    168,483.08x = 14,179,122,584.48
  5. Step 5: Solve for x
    x = 14,179,122,584.48/168,483.08
  6. Step 6: Final answer
    x = 84,157.54

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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.