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Finding the Fourth Proportional to 100,391.40, 150,587.10 and 41,196.60

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Solution

The fourth proportional to 100,391.40, 150,587.10 and 41,196.60 is: 61,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,391.40 : 150,587.10 = 41,196.60 : x
  2. Step 2: Convert to fraction form
    100,391.40/150,587.10 = 41,196.60/x
  3. Step 3: Cross multiply
    100,391.40x = 150,587.10 × 41,196.60
  4. Step 4: Simplify right side
    100,391.40x = 6,203,676,523.86
  5. Step 5: Solve for x
    x = 6,203,676,523.86/100,391.40
  6. Step 6: Final answer
    x = 61,794.90

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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.