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Finding the Fourth Proportional to 168,498.36, 252,746.82 and 43,839

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Solution

The fourth proportional to 168,498.36, 252,746.82 and 43,839 is: 65,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,498.36 : 252,746.82 = 43,839 : x
  2. Step 2: Convert to fraction form
    168,498.36/252,746.82 = 43,839/x
  3. Step 3: Cross multiply
    168,498.36x = 252,746.82 × 43,839
  4. Step 4: Simplify right side
    168,498.36x = 11,080,167,841.98
  5. Step 5: Solve for x
    x = 11,080,167,841.98/168,498.36
  6. Step 6: Final answer
    x = 65,758.31

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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.