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Finding the Fourth Proportional to 221,703.26, 332,604.10 and 63,919.40

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Solution

The fourth proportional to 221,703.26, 332,604.10 and 63,919.40 is: 95,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,703.26 : 332,604.10 = 63,919.40 : x
  2. Step 2: Convert to fraction form
    221,703.26/332,604.10 = 63,919.40/x
  3. Step 3: Cross multiply
    221,703.26x = 332,604.10 × 63,919.40
  4. Step 4: Simplify right side
    221,703.26x = 21,259,854,509.54
  5. Step 5: Solve for x
    x = 21,259,854,509.54/221,703.26
  6. Step 6: Final answer
    x = 95,893.29

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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.