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Finding the Fourth Proportional to 231,773.78, 347,660.67 and 126,535.34

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Solution

The fourth proportional to 231,773.78, 347,660.67 and 126,535.34 is: 189,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,773.78 : 347,660.67 = 126,535.34 : x
  2. Step 2: Convert to fraction form
    231,773.78/347,660.67 = 126,535.34/x
  3. Step 3: Cross multiply
    231,773.78x = 347,660.67 × 126,535.34
  4. Step 4: Simplify right side
    231,773.78x = 43,991,361,083.08
  5. Step 5: Solve for x
    x = 43,991,361,083.08/231,773.78
  6. Step 6: Final answer
    x = 189,803.01

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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.