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Finding the Fourth Proportional to 111,529.88, 167,294.92 and 91,766.89

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Solution

The fourth proportional to 111,529.88, 167,294.92 and 91,766.89 is: 137,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,529.88 : 167,294.92 = 91,766.89 : x
  2. Step 2: Convert to fraction form
    111,529.88/167,294.92 = 91,766.89/x
  3. Step 3: Cross multiply
    111,529.88x = 167,294.92 × 91,766.89
  4. Step 4: Simplify right side
    111,529.88x = 15,352,134,672.96
  5. Step 5: Solve for x
    x = 15,352,134,672.96/111,529.88
  6. Step 6: Final answer
    x = 137,650.42

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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.