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Finding the Fourth Proportional to 132,698.88, 198,890.46 and 92,500.56

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Solution

The fourth proportional to 132,698.88, 198,890.46 and 92,500.56 is: 138,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,698.88 : 198,890.46 = 92,500.56 : x
  2. Step 2: Convert to fraction form
    132,698.88/198,890.46 = 92,500.56/x
  3. Step 3: Cross multiply
    132,698.88x = 198,890.46 × 92,500.56
  4. Step 4: Simplify right side
    132,698.88x = 18,397,478,928.66
  5. Step 5: Solve for x
    x = 18,397,478,928.66/132,698.88
  6. Step 6: Final answer
    x = 138,640.80

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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.