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Finding the Fourth Proportional to 173,229.78, 259,853.85 and 54,910.34

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Solution

The fourth proportional to 173,229.78, 259,853.85 and 54,910.34 is: 82,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,229.78 : 259,853.85 = 54,910.34 : x
  2. Step 2: Convert to fraction form
    173,229.78/259,853.85 = 54,910.34/x
  3. Step 3: Cross multiply
    173,229.78x = 259,853.85 × 54,910.34
  4. Step 4: Simplify right side
    173,229.78x = 14,268,663,253.81
  5. Step 5: Solve for x
    x = 14,268,663,253.81/173,229.78
  6. Step 6: Final answer
    x = 82,368.42

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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.