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Finding the Fourth Proportional to 173,286.56, 259,929.36 and 141,793.76

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Solution

The fourth proportional to 173,286.56, 259,929.36 and 141,793.76 is: 212,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,286.56 : 259,929.36 = 141,793.76 : x
  2. Step 2: Convert to fraction form
    173,286.56/259,929.36 = 141,793.76/x
  3. Step 3: Cross multiply
    173,286.56x = 259,929.36 × 141,793.76
  4. Step 4: Simplify right side
    173,286.56x = 36,856,361,288.79
  5. Step 5: Solve for x
    x = 36,856,361,288.79/173,286.56
  6. Step 6: Final answer
    x = 212,690.25

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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.