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Finding the Fourth Proportional to 203,433, 305,149.56 and 63,191.64

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Solution

The fourth proportional to 203,433, 305,149.56 and 63,191.64 is: 94,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,433 : 305,149.56 = 63,191.64 : x
  2. Step 2: Convert to fraction form
    203,433/305,149.56 = 63,191.64/x
  3. Step 3: Cross multiply
    203,433x = 305,149.56 × 63,191.64
  4. Step 4: Simplify right side
    203,433x = 19,282,901,141.68
  5. Step 5: Solve for x
    x = 19,282,901,141.68/203,433
  6. Step 6: Final answer
    x = 94,787.48

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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.