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Finding the Fourth Proportional to 172,251.08, 258,347.46 and 47,592.08

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Solution

The fourth proportional to 172,251.08, 258,347.46 and 47,592.08 is: 71,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,251.08 : 258,347.46 = 47,592.08 : x
  2. Step 2: Convert to fraction form
    172,251.08/258,347.46 = 47,592.08/x
  3. Step 3: Cross multiply
    172,251.08x = 258,347.46 × 47,592.08
  4. Step 4: Simplify right side
    172,251.08x = 12,295,292,984.12
  5. Step 5: Solve for x
    x = 12,295,292,984.12/172,251.08
  6. Step 6: Final answer
    x = 71,380.06

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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.