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Finding the Fourth Proportional to 100,355.79, 150,525.99 and 37,146.24

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Solution

The fourth proportional to 100,355.79, 150,525.99 and 37,146.24 is: 55,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,355.79 : 150,525.99 = 37,146.24 : x
  2. Step 2: Convert to fraction form
    100,355.79/150,525.99 = 37,146.24/x
  3. Step 3: Cross multiply
    100,355.79x = 150,525.99 × 37,146.24
  4. Step 4: Simplify right side
    100,355.79x = 5,591,474,550.78
  5. Step 5: Solve for x
    x = 5,591,474,550.78/100,355.79
  6. Step 6: Final answer
    x = 55,716.51

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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.