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Finding the Fourth Proportional to 308,285.96, 462,437.16 and 108,560.96

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Solution

The fourth proportional to 308,285.96, 462,437.16 and 108,560.96 is: 162,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,285.96 : 462,437.16 = 108,560.96 : x
  2. Step 2: Convert to fraction form
    308,285.96/462,437.16 = 108,560.96/x
  3. Step 3: Cross multiply
    308,285.96x = 462,437.16 × 108,560.96
  4. Step 4: Simplify right side
    308,285.96x = 50,202,622,029.27
  5. Step 5: Solve for x
    x = 50,202,622,029.27/308,285.96
  6. Step 6: Final answer
    x = 162,844.33

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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.