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Finding the Fourth Proportional to 100,367.75, 150,420.38 and 41,134.07

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Solution

The fourth proportional to 100,367.75, 150,420.38 and 41,134.07 is: 61,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,367.75 : 150,420.38 = 41,134.07 : x
  2. Step 2: Convert to fraction form
    100,367.75/150,420.38 = 41,134.07/x
  3. Step 3: Cross multiply
    100,367.75x = 150,420.38 × 41,134.07
  4. Step 4: Simplify right side
    100,367.75x = 6,187,401,482.57
  5. Step 5: Solve for x
    x = 6,187,401,482.57/100,367.75
  6. Step 6: Final answer
    x = 61,647.31

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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.