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Finding the Fourth Proportional to 95,256.96, 131,361.12 and 87,722.88

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Solution

The fourth proportional to 95,256.96, 131,361.12 and 87,722.88 is: 120,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,256.96 : 131,361.12 = 87,722.88 : x
  2. Step 2: Convert to fraction form
    95,256.96/131,361.12 = 87,722.88/x
  3. Step 3: Cross multiply
    95,256.96x = 131,361.12 × 87,722.88
  4. Step 4: Simplify right side
    95,256.96x = 11,523,375,766.43
  5. Step 5: Solve for x
    x = 11,523,375,766.43/95,256.96
  6. Step 6: Final answer
    x = 120,971.48

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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.