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Finding the Fourth Proportional to 168,047.92, 252,091.38 and 55,738

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Solution

The fourth proportional to 168,047.92, 252,091.38 and 55,738 is: 83,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,047.92 : 252,091.38 = 55,738 : x
  2. Step 2: Convert to fraction form
    168,047.92/252,091.38 = 55,738/x
  3. Step 3: Cross multiply
    168,047.92x = 252,091.38 × 55,738
  4. Step 4: Simplify right side
    168,047.92x = 14,051,069,338.44
  5. Step 5: Solve for x
    x = 14,051,069,338.44/168,047.92
  6. Step 6: Final answer
    x = 83,613.47

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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.