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Finding the Fourth Proportional to 192,463.01, 288,768.47 and 135,591.59

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Solution

The fourth proportional to 192,463.01, 288,768.47 and 135,591.59 is: 203,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,463.01 : 288,768.47 = 135,591.59 : x
  2. Step 2: Convert to fraction form
    192,463.01/288,768.47 = 135,591.59/x
  3. Step 3: Cross multiply
    192,463.01x = 288,768.47 × 135,591.59
  4. Step 4: Simplify right side
    192,463.01x = 39,154,573,867.37
  5. Step 5: Solve for x
    x = 39,154,573,867.37/192,463.01
  6. Step 6: Final answer
    x = 203,439.48

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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.