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Finding the Fourth Proportional to 168,663.72, 253,003.68 and 50,344.32

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Solution

The fourth proportional to 168,663.72, 253,003.68 and 50,344.32 is: 75,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,663.72 : 253,003.68 = 50,344.32 : x
  2. Step 2: Convert to fraction form
    168,663.72/253,003.68 = 50,344.32/x
  3. Step 3: Cross multiply
    168,663.72x = 253,003.68 × 50,344.32
  4. Step 4: Simplify right side
    168,663.72x = 12,737,298,227.10
  5. Step 5: Solve for x
    x = 12,737,298,227.10/168,663.72
  6. Step 6: Final answer
    x = 75,518.90

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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.