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Finding the Fourth Proportional to 235,540.08, 353,321.46 and 77,765.04

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Solution

The fourth proportional to 235,540.08, 353,321.46 and 77,765.04 is: 116,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,540.08 : 353,321.46 = 77,765.04 : x
  2. Step 2: Convert to fraction form
    235,540.08/353,321.46 = 77,765.04/x
  3. Step 3: Cross multiply
    235,540.08x = 353,321.46 × 77,765.04
  4. Step 4: Simplify right side
    235,540.08x = 27,476,057,469.76
  5. Step 5: Solve for x
    x = 27,476,057,469.76/235,540.08
  6. Step 6: Final answer
    x = 116,651.30

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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.