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Finding the Fourth Proportional to 100,121.69, 150,133.92 and 37,797.05

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Solution

The fourth proportional to 100,121.69, 150,133.92 and 37,797.05 is: 56,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,121.69 : 150,133.92 = 37,797.05 : x
  2. Step 2: Convert to fraction form
    100,121.69/150,133.92 = 37,797.05/x
  3. Step 3: Cross multiply
    100,121.69x = 150,133.92 × 37,797.05
  4. Step 4: Simplify right side
    100,121.69x = 5,674,618,530.27
  5. Step 5: Solve for x
    x = 5,674,618,530.27/100,121.69
  6. Step 6: Final answer
    x = 56,677.22

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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.