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Finding the Fourth Proportional to 100,369.25, 150,422.63 and 41,135.57

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Solution

The fourth proportional to 100,369.25, 150,422.63 and 41,135.57 is: 61,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,369.25 : 150,422.63 = 41,135.57 : x
  2. Step 2: Convert to fraction form
    100,369.25/150,422.63 = 41,135.57/x
  3. Step 3: Cross multiply
    100,369.25x = 150,422.63 × 41,135.57
  4. Step 4: Simplify right side
    100,369.25x = 6,187,719,668.16
  5. Step 5: Solve for x
    x = 6,187,719,668.16/100,369.25
  6. Step 6: Final answer
    x = 61,649.56

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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.