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Finding the Fourth Proportional to 236,404.20, 354,606.30 and 161,754.60

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Solution

The fourth proportional to 236,404.20, 354,606.30 and 161,754.60 is: 242,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,404.20 : 354,606.30 = 161,754.60 : x
  2. Step 2: Convert to fraction form
    236,404.20/354,606.30 = 161,754.60/x
  3. Step 3: Cross multiply
    236,404.20x = 354,606.30 × 161,754.60
  4. Step 4: Simplify right side
    236,404.20x = 57,359,200,213.98
  5. Step 5: Solve for x
    x = 57,359,200,213.98/236,404.20
  6. Step 6: Final answer
    x = 242,631.90

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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.