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Finding the Fourth Proportional to 333,568.56, 500,201.36 and 143,939.06

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Solution

The fourth proportional to 333,568.56, 500,201.36 and 143,939.06 is: 215,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,568.56 : 500,201.36 = 143,939.06 : x
  2. Step 2: Convert to fraction form
    333,568.56/500,201.36 = 143,939.06/x
  3. Step 3: Cross multiply
    333,568.56x = 500,201.36 × 143,939.06
  4. Step 4: Simplify right side
    333,568.56x = 71,998,513,569.12
  5. Step 5: Solve for x
    x = 71,998,513,569.12/333,568.56
  6. Step 6: Final answer
    x = 215,843.22

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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.