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Finding the Fourth Proportional to 123,305.97, 184,964.33 and 39,072.34

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Solution

The fourth proportional to 123,305.97, 184,964.33 and 39,072.34 is: 58,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,305.97 : 184,964.33 = 39,072.34 : x
  2. Step 2: Convert to fraction form
    123,305.97/184,964.33 = 39,072.34/x
  3. Step 3: Cross multiply
    123,305.97x = 184,964.33 × 39,072.34
  4. Step 4: Simplify right side
    123,305.97x = 7,226,988,478.09
  5. Step 5: Solve for x
    x = 7,226,988,478.09/123,305.97
  6. Step 6: Final answer
    x = 58,610.21

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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.