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Finding the Fourth Proportional to 173,286.70, 259,930.05 and 48,627.70

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Solution

The fourth proportional to 173,286.70, 259,930.05 and 48,627.70 is: 72,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,286.70 : 259,930.05 = 48,627.70 : x
  2. Step 2: Convert to fraction form
    173,286.70/259,930.05 = 48,627.70/x
  3. Step 3: Cross multiply
    173,286.70x = 259,930.05 × 48,627.70
  4. Step 4: Simplify right side
    173,286.70x = 12,639,800,492.39
  5. Step 5: Solve for x
    x = 12,639,800,492.39/173,286.70
  6. Step 6: Final answer
    x = 72,941.55

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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.