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Finding the Fourth Proportional to 254,793.33, 351,619.11 and 140,076.74

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Solution

The fourth proportional to 254,793.33, 351,619.11 and 140,076.74 is: 193,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,793.33 : 351,619.11 = 140,076.74 : x
  2. Step 2: Convert to fraction form
    254,793.33/351,619.11 = 140,076.74/x
  3. Step 3: Cross multiply
    254,793.33x = 351,619.11 × 140,076.74
  4. Step 4: Simplify right side
    254,793.33x = 49,253,659,529.55
  5. Step 5: Solve for x
    x = 49,253,659,529.55/254,793.33
  6. Step 6: Final answer
    x = 193,308.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.