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Finding the Fourth Proportional to 172,548.08, 258,822.04 and 47,889.04

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Solution

The fourth proportional to 172,548.08, 258,822.04 and 47,889.04 is: 71,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,548.08 : 258,822.04 = 47,889.04 : x
  2. Step 2: Convert to fraction form
    172,548.08/258,822.04 = 47,889.04/x
  3. Step 3: Cross multiply
    172,548.08x = 258,822.04 × 47,889.04
  4. Step 4: Simplify right side
    172,548.08x = 12,394,739,026.44
  5. Step 5: Solve for x
    x = 12,394,739,026.44/172,548.08
  6. Step 6: Final answer
    x = 71,833.54

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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.