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Finding the Fourth Proportional to 168,309.63, 252,462.29 and 48,369.42

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Solution

The fourth proportional to 168,309.63, 252,462.29 and 48,369.42 is: 72,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,309.63 : 252,462.29 = 48,369.42 : x
  2. Step 2: Convert to fraction form
    168,309.63/252,462.29 = 48,369.42/x
  3. Step 3: Cross multiply
    168,309.63x = 252,462.29 × 48,369.42
  4. Step 4: Simplify right side
    168,309.63x = 12,211,454,297.32
  5. Step 5: Solve for x
    x = 12,211,454,297.32/168,309.63
  6. Step 6: Final answer
    x = 72,553.51

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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.