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Finding the Fourth Proportional to 201,644.52, 302,443.74 and 53,912.04

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Solution

The fourth proportional to 201,644.52, 302,443.74 and 53,912.04 is: 80,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,644.52 : 302,443.74 = 53,912.04 : x
  2. Step 2: Convert to fraction form
    201,644.52/302,443.74 = 53,912.04/x
  3. Step 3: Cross multiply
    201,644.52x = 302,443.74 × 53,912.04
  4. Step 4: Simplify right side
    201,644.52x = 16,305,359,008.63
  5. Step 5: Solve for x
    x = 16,305,359,008.63/201,644.52
  6. Step 6: Final answer
    x = 80,861.90

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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.