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Finding the Fourth Proportional to 168,663, 232,751.82 and 93,209.88

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Solution

The fourth proportional to 168,663, 232,751.82 and 93,209.88 is: 128,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,663 : 232,751.82 = 93,209.88 : x
  2. Step 2: Convert to fraction form
    168,663/232,751.82 = 93,209.88/x
  3. Step 3: Cross multiply
    168,663x = 232,751.82 × 93,209.88
  4. Step 4: Simplify right side
    168,663x = 21,694,769,211.98
  5. Step 5: Solve for x
    x = 21,694,769,211.98/168,663
  6. Step 6: Final answer
    x = 128,627.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.