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Finding the Fourth Proportional to 100,195.11, 150,297.27 and 55,788.42

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Solution

The fourth proportional to 100,195.11, 150,297.27 and 55,788.42 is: 83,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,195.11 : 150,297.27 = 55,788.42 : x
  2. Step 2: Convert to fraction form
    100,195.11/150,297.27 = 55,788.42/x
  3. Step 3: Cross multiply
    100,195.11x = 150,297.27 × 55,788.42
  4. Step 4: Simplify right side
    100,195.11x = 8,384,847,223.61
  5. Step 5: Solve for x
    x = 8,384,847,223.61/100,195.11
  6. Step 6: Final answer
    x = 83,685.19

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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.