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Finding the Fourth Proportional to 215,553.44, 323,346.56 and 73,354.70

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Solution

The fourth proportional to 215,553.44, 323,346.56 and 73,354.70 is: 110,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,553.44 : 323,346.56 = 73,354.70 : x
  2. Step 2: Convert to fraction form
    215,553.44/323,346.56 = 73,354.70/x
  3. Step 3: Cross multiply
    215,553.44x = 323,346.56 × 73,354.70
  4. Step 4: Simplify right side
    215,553.44x = 23,718,987,921.33
  5. Step 5: Solve for x
    x = 23,718,987,921.33/215,553.44
  6. Step 6: Final answer
    x = 110,037.62

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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.