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Finding the Fourth Proportional to 254,285.64, 350,910.90 and 141,105.96

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Solution

The fourth proportional to 254,285.64, 350,910.90 and 141,105.96 is: 194,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,285.64 : 350,910.90 = 141,105.96 : x
  2. Step 2: Convert to fraction form
    254,285.64/350,910.90 = 141,105.96/x
  3. Step 3: Cross multiply
    254,285.64x = 350,910.90 × 141,105.96
  4. Step 4: Simplify right side
    254,285.64x = 49,515,619,418.96
  5. Step 5: Solve for x
    x = 49,515,619,418.96/254,285.64
  6. Step 6: Final answer
    x = 194,724.40

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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.