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Finding the Fourth Proportional to 100,553.15, 150,884.40 and 41,394.80

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Solution

The fourth proportional to 100,553.15, 150,884.40 and 41,394.80 is: 62,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,553.15 : 150,884.40 = 41,394.80 : x
  2. Step 2: Convert to fraction form
    100,553.15/150,884.40 = 41,394.80/x
  3. Step 3: Cross multiply
    100,553.15x = 150,884.40 × 41,394.80
  4. Step 4: Simplify right side
    100,553.15x = 6,245,829,561.12
  5. Step 5: Solve for x
    x = 6,245,829,561.12/100,553.15
  6. Step 6: Final answer
    x = 62,114.71

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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.