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Finding the Fourth Proportional to 167,883.53, 231,790.90 and 129,052.54

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Solution

The fourth proportional to 167,883.53, 231,790.90 and 129,052.54 is: 178,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,883.53 : 231,790.90 = 129,052.54 : x
  2. Step 2: Convert to fraction form
    167,883.53/231,790.90 = 129,052.54/x
  3. Step 3: Cross multiply
    167,883.53x = 231,790.90 × 129,052.54
  4. Step 4: Simplify right side
    167,883.53x = 29,913,203,234.93
  5. Step 5: Solve for x
    x = 29,913,203,234.93/167,883.53
  6. Step 6: Final answer
    x = 178,178.31

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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.