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Finding the Fourth Proportional to 225,753.33, 311,495.67 and 133,855.59

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Solution

The fourth proportional to 225,753.33, 311,495.67 and 133,855.59 is: 184,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,753.33 : 311,495.67 = 133,855.59 : x
  2. Step 2: Convert to fraction form
    225,753.33/311,495.67 = 133,855.59/x
  3. Step 3: Cross multiply
    225,753.33x = 311,495.67 × 133,855.59
  4. Step 4: Simplify right side
    225,753.33x = 41,695,434,463.54
  5. Step 5: Solve for x
    x = 41,695,434,463.54/225,753.33
  6. Step 6: Final answer
    x = 184,694.66

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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.