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Finding the Fourth Proportional to 168,081.60, 252,122.04 and 57,273.60

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Solution

The fourth proportional to 168,081.60, 252,122.04 and 57,273.60 is: 85,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081.60 : 252,122.04 = 57,273.60 : x
  2. Step 2: Convert to fraction form
    168,081.60/252,122.04 = 57,273.60/x
  3. Step 3: Cross multiply
    168,081.60x = 252,122.04 × 57,273.60
  4. Step 4: Simplify right side
    168,081.60x = 14,439,936,870.14
  5. Step 5: Solve for x
    x = 14,439,936,870.14/168,081.60
  6. Step 6: Final answer
    x = 85,910.28

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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.