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Finding the Fourth Proportional to 89,692.11, 134,541.90 and 33,526.53

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Solution

The fourth proportional to 89,692.11, 134,541.90 and 33,526.53 is: 50,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,692.11 : 134,541.90 = 33,526.53 : x
  2. Step 2: Convert to fraction form
    89,692.11/134,541.90 = 33,526.53/x
  3. Step 3: Cross multiply
    89,692.11x = 134,541.90 × 33,526.53
  4. Step 4: Simplify right side
    89,692.11x = 4,510,723,046.61
  5. Step 5: Solve for x
    x = 4,510,723,046.61/89,692.11
  6. Step 6: Final answer
    x = 50,291.19

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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.