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Finding the Fourth Proportional to 117,942.80, 176,914.20 and 94,614.80

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Solution

The fourth proportional to 117,942.80, 176,914.20 and 94,614.80 is: 141,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,942.80 : 176,914.20 = 94,614.80 : x
  2. Step 2: Convert to fraction form
    117,942.80/176,914.20 = 94,614.80/x
  3. Step 3: Cross multiply
    117,942.80x = 176,914.20 × 94,614.80
  4. Step 4: Simplify right side
    117,942.80x = 16,738,701,650.16
  5. Step 5: Solve for x
    x = 16,738,701,650.16/117,942.80
  6. Step 6: Final answer
    x = 141,922.20

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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.