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Finding the Fourth Proportional to 199,353.39, 275,102.67 and 108,711.10

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Solution

The fourth proportional to 199,353.39, 275,102.67 and 108,711.10 is: 150,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,353.39 : 275,102.67 = 108,711.10 : x
  2. Step 2: Convert to fraction form
    199,353.39/275,102.67 = 108,711.10/x
  3. Step 3: Cross multiply
    199,353.39x = 275,102.67 × 108,711.10
  4. Step 4: Simplify right side
    199,353.39x = 29,906,713,868.64
  5. Step 5: Solve for x
    x = 29,906,713,868.64/199,353.39
  6. Step 6: Final answer
    x = 150,018.59

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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.