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Finding the Fourth Proportional to 100,220.75, 150,343.49 and 32,751.19

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Solution

The fourth proportional to 100,220.75, 150,343.49 and 32,751.19 is: 49,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,220.75 : 150,343.49 = 32,751.19 : x
  2. Step 2: Convert to fraction form
    100,220.75/150,343.49 = 32,751.19/x
  3. Step 3: Cross multiply
    100,220.75x = 150,343.49 × 32,751.19
  4. Step 4: Simplify right side
    100,220.75x = 4,923,928,206.25
  5. Step 5: Solve for x
    x = 4,923,928,206.25/100,220.75
  6. Step 6: Final answer
    x = 49,130.83

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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.