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Finding the Fourth Proportional to 100,355.80, 150,525.98 and 37,146.22

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Solution

The fourth proportional to 100,355.80, 150,525.98 and 37,146.22 is: 55,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,355.80 : 150,525.98 = 37,146.22 : x
  2. Step 2: Convert to fraction form
    100,355.80/150,525.98 = 37,146.22/x
  3. Step 3: Cross multiply
    100,355.80x = 150,525.98 × 37,146.22
  4. Step 4: Simplify right side
    100,355.80x = 5,591,471,168.80
  5. Step 5: Solve for x
    x = 5,591,471,168.80/100,355.80
  6. Step 6: Final answer
    x = 55,716.47

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1.5x scale

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.