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Finding the Fourth Proportional to 172,892.90, 259,339.35 and 48,233.90

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Solution

The fourth proportional to 172,892.90, 259,339.35 and 48,233.90 is: 72,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,892.90 : 259,339.35 = 48,233.90 : x
  2. Step 2: Convert to fraction form
    172,892.90/259,339.35 = 48,233.90/x
  3. Step 3: Cross multiply
    172,892.90x = 259,339.35 × 48,233.90
  4. Step 4: Simplify right side
    172,892.90x = 12,508,948,273.97
  5. Step 5: Solve for x
    x = 12,508,948,273.97/172,892.90
  6. Step 6: Final answer
    x = 72,350.85

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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.