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Finding the Fourth Proportional to 192,145.99, 263,238.78 and 184,960.64

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Solution

The fourth proportional to 192,145.99, 263,238.78 and 184,960.64 is: 253,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,145.99 : 263,238.78 = 184,960.64 : x
  2. Step 2: Convert to fraction form
    192,145.99/263,238.78 = 184,960.64/x
  3. Step 3: Cross multiply
    192,145.99x = 263,238.78 × 184,960.64
  4. Step 4: Simplify right side
    192,145.99x = 48,688,811,905.43
  5. Step 5: Solve for x
    x = 48,688,811,905.43/192,145.99
  6. Step 6: Final answer
    x = 253,394.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.