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Finding the Fourth Proportional to 199,606.11, 275,454.54 and 123,094.62

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Solution

The fourth proportional to 199,606.11, 275,454.54 and 123,094.62 is: 169,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,606.11 : 275,454.54 = 123,094.62 : x
  2. Step 2: Convert to fraction form
    199,606.11/275,454.54 = 123,094.62/x
  3. Step 3: Cross multiply
    199,606.11x = 275,454.54 × 123,094.62
  4. Step 4: Simplify right side
    199,606.11x = 33,906,971,928.57
  5. Step 5: Solve for x
    x = 33,906,971,928.57/199,606.11
  6. Step 6: Final answer
    x = 169,869.41

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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.