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Finding the Fourth Proportional to 169,523.12, 254,183.12 and 57,200.84

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Solution

The fourth proportional to 169,523.12, 254,183.12 and 57,200.84 is: 85,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,523.12 : 254,183.12 = 57,200.84 : x
  2. Step 2: Convert to fraction form
    169,523.12/254,183.12 = 57,200.84/x
  3. Step 3: Cross multiply
    169,523.12x = 254,183.12 × 57,200.84
  4. Step 4: Simplify right side
    169,523.12x = 14,539,487,977.82
  5. Step 5: Solve for x
    x = 14,539,487,977.82/169,523.12
  6. Step 6: Final answer
    x = 85,766.99

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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.