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Finding the Fourth Proportional to 275,001, 379,516.32 and 154,181.04

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Solution

The fourth proportional to 275,001, 379,516.32 and 154,181.04 is: 212,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,001 : 379,516.32 = 154,181.04 : x
  2. Step 2: Convert to fraction form
    275,001/379,516.32 = 154,181.04/x
  3. Step 3: Cross multiply
    275,001x = 379,516.32 × 154,181.04
  4. Step 4: Simplify right side
    275,001x = 58,514,220,914.57
  5. Step 5: Solve for x
    x = 58,514,220,914.57/275,001
  6. Step 6: Final answer
    x = 212,778.21

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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.