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Finding the Fourth Proportional to 85,560.94, 128,250.90 and 32,229.84

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Solution

The fourth proportional to 85,560.94, 128,250.90 and 32,229.84 is: 48,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,560.94 : 128,250.90 = 32,229.84 : x
  2. Step 2: Convert to fraction form
    85,560.94/128,250.90 = 32,229.84/x
  3. Step 3: Cross multiply
    85,560.94x = 128,250.90 × 32,229.84
  4. Step 4: Simplify right side
    85,560.94x = 4,133,505,986.86
  5. Step 5: Solve for x
    x = 4,133,505,986.86/85,560.94
  6. Step 6: Final answer
    x = 48,310.67

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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.