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Finding the Fourth Proportional to 221,265.87, 331,890.26 and 63,494.33

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Solution

The fourth proportional to 221,265.87, 331,890.26 and 63,494.33 is: 95,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,265.87 : 331,890.26 = 63,494.33 : x
  2. Step 2: Convert to fraction form
    221,265.87/331,890.26 = 63,494.33/x
  3. Step 3: Cross multiply
    221,265.87x = 331,890.26 × 63,494.33
  4. Step 4: Simplify right side
    221,265.87x = 21,073,148,191.51
  5. Step 5: Solve for x
    x = 21,073,148,191.51/221,265.87
  6. Step 6: Final answer
    x = 95,239.04

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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.