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Finding the Fourth Proportional to 89,087.73, 133,503.71 and 53,563.56

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Solution

The fourth proportional to 89,087.73, 133,503.71 and 53,563.56 is: 80,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,087.73 : 133,503.71 = 53,563.56 : x
  2. Step 2: Convert to fraction form
    89,087.73/133,503.71 = 53,563.56/x
  3. Step 3: Cross multiply
    89,087.73x = 133,503.71 × 53,563.56
  4. Step 4: Simplify right side
    89,087.73x = 7,150,933,212.35
  5. Step 5: Solve for x
    x = 7,150,933,212.35/89,087.73
  6. Step 6: Final answer
    x = 80,268.44

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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.