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Finding the Fourth Proportional to 263,776.57, 363,994.43 and 168,273

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Solution

The fourth proportional to 263,776.57, 363,994.43 and 168,273 is: 232,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,776.57 : 363,994.43 = 168,273 : x
  2. Step 2: Convert to fraction form
    263,776.57/363,994.43 = 168,273/x
  3. Step 3: Cross multiply
    263,776.57x = 363,994.43 × 168,273
  4. Step 4: Simplify right side
    263,776.57x = 61,250,433,878.03
  5. Step 5: Solve for x
    x = 61,250,433,878.03/263,776.57
  6. Step 6: Final answer
    x = 232,205.74

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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.