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Finding the Fourth Proportional to 225,426.93, 311,035.77 and 133,499.79

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Solution

The fourth proportional to 225,426.93, 311,035.77 and 133,499.79 is: 184,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,426.93 : 311,035.77 = 133,499.79 : x
  2. Step 2: Convert to fraction form
    225,426.93/311,035.77 = 133,499.79/x
  3. Step 3: Cross multiply
    225,426.93x = 311,035.77 × 133,499.79
  4. Step 4: Simplify right side
    225,426.93x = 41,523,209,977.49
  5. Step 5: Solve for x
    x = 41,523,209,977.49/225,426.93
  6. Step 6: Final answer
    x = 184,198.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.