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Finding the Fourth Proportional to 76,174.88, 114,336.12 and 36,759.68

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Solution

The fourth proportional to 76,174.88, 114,336.12 and 36,759.68 is: 55,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,174.88 : 114,336.12 = 36,759.68 : x
  2. Step 2: Convert to fraction form
    76,174.88/114,336.12 = 36,759.68/x
  3. Step 3: Cross multiply
    76,174.88x = 114,336.12 × 36,759.68
  4. Step 4: Simplify right side
    76,174.88x = 4,202,959,183.64
  5. Step 5: Solve for x
    x = 4,202,959,183.64/76,174.88
  6. Step 6: Final answer
    x = 55,175.13

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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.