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Finding the Fourth Proportional to 219,092.22, 328,626.01 and 76,944.04

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Solution

The fourth proportional to 219,092.22, 328,626.01 and 76,944.04 is: 115,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,092.22 : 328,626.01 = 76,944.04 : x
  2. Step 2: Convert to fraction form
    219,092.22/328,626.01 = 76,944.04/x
  3. Step 3: Cross multiply
    219,092.22x = 328,626.01 × 76,944.04
  4. Step 4: Simplify right side
    219,092.22x = 25,285,812,858.48
  5. Step 5: Solve for x
    x = 25,285,812,858.48/219,092.22
  6. Step 6: Final answer
    x = 115,411.73

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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.