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Finding the Fourth Proportional to 283,312.82, 425,116.86 and 125,504.37

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Solution

The fourth proportional to 283,312.82, 425,116.86 and 125,504.37 is: 188,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,312.82 : 425,116.86 = 125,504.37 : x
  2. Step 2: Convert to fraction form
    283,312.82/425,116.86 = 125,504.37/x
  3. Step 3: Cross multiply
    283,312.82x = 425,116.86 × 125,504.37
  4. Step 4: Simplify right side
    283,312.82x = 53,354,023,690.68
  5. Step 5: Solve for x
    x = 53,354,023,690.68/283,312.82
  6. Step 6: Final answer
    x = 188,321.96

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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.