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Finding the Fourth Proportional to 199,300.68, 275,026.83 and 108,654.84

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Solution

The fourth proportional to 199,300.68, 275,026.83 and 108,654.84 is: 149,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300.68 : 275,026.83 = 108,654.84 : x
  2. Step 2: Convert to fraction form
    199,300.68/275,026.83 = 108,654.84/x
  3. Step 3: Cross multiply
    199,300.68x = 275,026.83 × 108,654.84
  4. Step 4: Simplify right side
    199,300.68x = 29,882,996,209.36
  5. Step 5: Solve for x
    x = 29,882,996,209.36/199,300.68
  6. Step 6: Final answer
    x = 149,939.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.