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Finding the Fourth Proportional to 95,611.96, 131,948.76 and 55,327.60

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Solution

The fourth proportional to 95,611.96, 131,948.76 and 55,327.60 is: 76,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,611.96 : 131,948.76 = 55,327.60 : x
  2. Step 2: Convert to fraction form
    95,611.96/131,948.76 = 55,327.60/x
  3. Step 3: Cross multiply
    95,611.96x = 131,948.76 × 55,327.60
  4. Step 4: Simplify right side
    95,611.96x = 7,300,408,213.78
  5. Step 5: Solve for x
    x = 7,300,408,213.78/95,611.96
  6. Step 6: Final answer
    x = 76,354.55

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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.