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Finding the Fourth Proportional to 100,382.85, 150,446.70 and 41,151.60

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Solution

The fourth proportional to 100,382.85, 150,446.70 and 41,151.60 is: 61,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,382.85 : 150,446.70 = 41,151.60 : x
  2. Step 2: Convert to fraction form
    100,382.85/150,446.70 = 41,151.60/x
  3. Step 3: Cross multiply
    100,382.85x = 150,446.70 × 41,151.60
  4. Step 4: Simplify right side
    100,382.85x = 6,191,122,419.72
  5. Step 5: Solve for x
    x = 6,191,122,419.72/100,382.85
  6. Step 6: Final answer
    x = 61,675.10

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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.