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Finding the Fourth Proportional to 172,828.34, 259,241.29 and 48,169.34

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Solution

The fourth proportional to 172,828.34, 259,241.29 and 48,169.34 is: 72,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,828.34 : 259,241.29 = 48,169.34 : x
  2. Step 2: Convert to fraction form
    172,828.34/259,241.29 = 48,169.34/x
  3. Step 3: Cross multiply
    172,828.34x = 259,241.29 × 48,169.34
  4. Step 4: Simplify right side
    172,828.34x = 12,487,481,840.05
  5. Step 5: Solve for x
    x = 12,487,481,840.05/172,828.34
  6. Step 6: Final answer
    x = 72,253.67

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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.