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Finding the Fourth Proportional to 89,813.34, 134,769.38 and 33,692.22

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Solution

The fourth proportional to 89,813.34, 134,769.38 and 33,692.22 is: 50,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,813.34 : 134,769.38 = 33,692.22 : x
  2. Step 2: Convert to fraction form
    89,813.34/134,769.38 = 33,692.22/x
  3. Step 3: Cross multiply
    89,813.34x = 134,769.38 × 33,692.22
  4. Step 4: Simplify right side
    89,813.34x = 4,540,679,431.76
  5. Step 5: Solve for x
    x = 4,540,679,431.76/89,813.34
  6. Step 6: Final answer
    x = 50,556.85

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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.