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Finding the Fourth Proportional to 203,992.20, 305,988.54 and 63,751.56

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Solution

The fourth proportional to 203,992.20, 305,988.54 and 63,751.56 is: 95,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,992.20 : 305,988.54 = 63,751.56 : x
  2. Step 2: Convert to fraction form
    203,992.20/305,988.54 = 63,751.56/x
  3. Step 3: Cross multiply
    203,992.20x = 305,988.54 × 63,751.56
  4. Step 4: Simplify right side
    203,992.20x = 19,507,246,767.12
  5. Step 5: Solve for x
    x = 19,507,246,767.12/203,992.20
  6. Step 6: Final answer
    x = 95,627.42

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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.