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Finding the Fourth Proportional to 344,660.90, 516,991.54 and 108,022.02

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Solution

The fourth proportional to 344,660.90, 516,991.54 and 108,022.02 is: 162,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,660.90 : 516,991.54 = 108,022.02 : x
  2. Step 2: Convert to fraction form
    344,660.90/516,991.54 = 108,022.02/x
  3. Step 3: Cross multiply
    344,660.90x = 516,991.54 × 108,022.02
  4. Step 4: Simplify right side
    344,660.90x = 55,846,470,473.71
  5. Step 5: Solve for x
    x = 55,846,470,473.71/344,660.90
  6. Step 6: Final answer
    x = 162,033.09

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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.