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Finding the Fourth Proportional to 382,176.72, 573,201.09 and 115,873.56

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Solution

The fourth proportional to 382,176.72, 573,201.09 and 115,873.56 is: 173,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,176.72 : 573,201.09 = 115,873.56 : x
  2. Step 2: Convert to fraction form
    382,176.72/573,201.09 = 115,873.56/x
  3. Step 3: Cross multiply
    382,176.72x = 573,201.09 × 115,873.56
  4. Step 4: Simplify right side
    382,176.72x = 66,418,850,894.18
  5. Step 5: Solve for x
    x = 66,418,850,894.18/382,176.72
  6. Step 6: Final answer
    x = 173,790.94

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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.