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Finding the Fourth Proportional to 225,996.93, 311,843.03 and 145,533.51

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Solution

The fourth proportional to 225,996.93, 311,843.03 and 145,533.51 is: 200,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,996.93 : 311,843.03 = 145,533.51 : x
  2. Step 2: Convert to fraction form
    225,996.93/311,843.03 = 145,533.51/x
  3. Step 3: Cross multiply
    225,996.93x = 311,843.03 × 145,533.51
  4. Step 4: Simplify right side
    225,996.93x = 45,383,609,997.27
  5. Step 5: Solve for x
    x = 45,383,609,997.27/225,996.93
  6. Step 6: Final answer
    x = 200,815.16

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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.