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Finding the Fourth Proportional to 114,087.96, 171,059 and 54,805.68

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Solution

The fourth proportional to 114,087.96, 171,059 and 54,805.68 is: 82,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,087.96 : 171,059 = 54,805.68 : x
  2. Step 2: Convert to fraction form
    114,087.96/171,059 = 54,805.68/x
  3. Step 3: Cross multiply
    114,087.96x = 171,059 × 54,805.68
  4. Step 4: Simplify right side
    114,087.96x = 9,375,004,815.12
  5. Step 5: Solve for x
    x = 9,375,004,815.12/114,087.96
  6. Step 6: Final answer
    x = 82,173.48

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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.