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Finding the Fourth Proportional to 168,436.36, 252,733.47 and 73,654.39

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Solution

The fourth proportional to 168,436.36, 252,733.47 and 73,654.39 is: 110,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,436.36 : 252,733.47 = 73,654.39 : x
  2. Step 2: Convert to fraction form
    168,436.36/252,733.47 = 73,654.39/x
  3. Step 3: Cross multiply
    168,436.36x = 252,733.47 × 73,654.39
  4. Step 4: Simplify right side
    168,436.36x = 18,614,929,565.43
  5. Step 5: Solve for x
    x = 18,614,929,565.43/168,436.36
  6. Step 6: Final answer
    x = 110,516.10

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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.