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Finding the Fourth Proportional to 172,546.08, 258,819.04 and 47,887.04

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Solution

The fourth proportional to 172,546.08, 258,819.04 and 47,887.04 is: 71,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,546.08 : 258,819.04 = 47,887.04 : x
  2. Step 2: Convert to fraction form
    172,546.08/258,819.04 = 47,887.04/x
  3. Step 3: Cross multiply
    172,546.08x = 258,819.04 × 47,887.04
  4. Step 4: Simplify right side
    172,546.08x = 12,394,077,721.24
  5. Step 5: Solve for x
    x = 12,394,077,721.24/172,546.08
  6. Step 6: Final answer
    x = 71,830.54

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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.