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Finding the Fourth Proportional to 89,205.87, 133,791.75 and 44,820.30

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Solution

The fourth proportional to 89,205.87, 133,791.75 and 44,820.30 is: 67,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,205.87 : 133,791.75 = 44,820.30 : x
  2. Step 2: Convert to fraction form
    89,205.87/133,791.75 = 44,820.30/x
  3. Step 3: Cross multiply
    89,205.87x = 133,791.75 × 44,820.30
  4. Step 4: Simplify right side
    89,205.87x = 5,996,586,372.53
  5. Step 5: Solve for x
    x = 5,996,586,372.53/89,205.87
  6. Step 6: Final answer
    x = 67,221.88

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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.