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Finding the Fourth Proportional to 295,773.05, 443,481.89 and 115,643.87

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Solution

The fourth proportional to 295,773.05, 443,481.89 and 115,643.87 is: 173,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,773.05 : 443,481.89 = 115,643.87 : x
  2. Step 2: Convert to fraction form
    295,773.05/443,481.89 = 115,643.87/x
  3. Step 3: Cross multiply
    295,773.05x = 443,481.89 × 115,643.87
  4. Step 4: Simplify right side
    295,773.05x = 51,285,962,565.00
  5. Step 5: Solve for x
    x = 51,285,962,565.00/295,773.05
  6. Step 6: Final answer
    x = 173,396.33

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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.