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Finding the Fourth Proportional to 96,771.72, 133,589.88 and 64,559.88

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Solution

The fourth proportional to 96,771.72, 133,589.88 and 64,559.88 is: 89,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771.72 : 133,589.88 = 64,559.88 : x
  2. Step 2: Convert to fraction form
    96,771.72/133,589.88 = 64,559.88/x
  3. Step 3: Cross multiply
    96,771.72x = 133,589.88 × 64,559.88
  4. Step 4: Simplify right side
    96,771.72x = 8,624,546,622.01
  5. Step 5: Solve for x
    x = 8,624,546,622.01/96,771.72
  6. Step 6: Final answer
    x = 89,122.59

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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.