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Finding the Fourth Proportional to 283,504.11, 425,259.33 and 121,376.33

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Solution

The fourth proportional to 283,504.11, 425,259.33 and 121,376.33 is: 182,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,504.11 : 425,259.33 = 121,376.33 : x
  2. Step 2: Convert to fraction form
    283,504.11/425,259.33 = 121,376.33/x
  3. Step 3: Cross multiply
    283,504.11x = 425,259.33 × 121,376.33
  4. Step 4: Simplify right side
    283,504.11x = 51,616,416,773.66
  5. Step 5: Solve for x
    x = 51,616,416,773.66/283,504.11
  6. Step 6: Final answer
    x = 182,065.85

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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.