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Finding the Fourth Proportional to 133,692.80, 200,652.60 and 54,863.60

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Solution

The fourth proportional to 133,692.80, 200,652.60 and 54,863.60 is: 82,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,692.80 : 200,652.60 = 54,863.60 : x
  2. Step 2: Convert to fraction form
    133,692.80/200,652.60 = 54,863.60/x
  3. Step 3: Cross multiply
    133,692.80x = 200,652.60 × 54,863.60
  4. Step 4: Simplify right side
    133,692.80x = 11,008,523,985.36
  5. Step 5: Solve for x
    x = 11,008,523,985.36/133,692.80
  6. Step 6: Final answer
    x = 82,341.94

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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.