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Finding the Fourth Proportional to 94,941.80, 142,286.94 and 50,472.80

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Solution

The fourth proportional to 94,941.80, 142,286.94 and 50,472.80 is: 75,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,941.80 : 142,286.94 = 50,472.80 : x
  2. Step 2: Convert to fraction form
    94,941.80/142,286.94 = 50,472.80/x
  3. Step 3: Cross multiply
    94,941.80x = 142,286.94 × 50,472.80
  4. Step 4: Simplify right side
    94,941.80x = 7,181,619,553.80
  5. Step 5: Solve for x
    x = 7,181,619,553.80/94,941.80
  6. Step 6: Final answer
    x = 75,642.34

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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.