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Finding the Fourth Proportional to 203,993.20, 305,990.04 and 63,752.56

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Solution

The fourth proportional to 203,993.20, 305,990.04 and 63,752.56 is: 95,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,993.20 : 305,990.04 = 63,752.56 : x
  2. Step 2: Convert to fraction form
    203,993.20/305,990.04 = 63,752.56/x
  3. Step 3: Cross multiply
    203,993.20x = 305,990.04 × 63,752.56
  4. Step 4: Simplify right side
    203,993.20x = 19,507,648,384.50
  5. Step 5: Solve for x
    x = 19,507,648,384.50/203,993.20
  6. Step 6: Final answer
    x = 95,628.92

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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.