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Finding the Fourth Proportional to 283,268.82, 425,165.67 and 143,125.86

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Solution

The fourth proportional to 283,268.82, 425,165.67 and 143,125.86 is: 214,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,268.82 : 425,165.67 = 143,125.86 : x
  2. Step 2: Convert to fraction form
    283,268.82/425,165.67 = 143,125.86/x
  3. Step 3: Cross multiply
    283,268.82x = 425,165.67 × 143,125.86
  4. Step 4: Simplify right side
    283,268.82x = 60,852,202,161.23
  5. Step 5: Solve for x
    x = 60,852,202,161.23/283,268.82
  6. Step 6: Final answer
    x = 214,821.39

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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.