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Finding the Fourth Proportional to 136,245.30, 204,404.40 and 96,879.30

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Solution

The fourth proportional to 136,245.30, 204,404.40 and 96,879.30 is: 145,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,245.30 : 204,404.40 = 96,879.30 : x
  2. Step 2: Convert to fraction form
    136,245.30/204,404.40 = 96,879.30/x
  3. Step 3: Cross multiply
    136,245.30x = 204,404.40 × 96,879.30
  4. Step 4: Simplify right side
    136,245.30x = 19,802,555,188.92
  5. Step 5: Solve for x
    x = 19,802,555,188.92/136,245.30
  6. Step 6: Final answer
    x = 145,344.87

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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.