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Finding the Fourth Proportional to 123,251.81, 184,905.41 and 39,017.03

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Solution

The fourth proportional to 123,251.81, 184,905.41 and 39,017.03 is: 58,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,251.81 : 184,905.41 = 39,017.03 : x
  2. Step 2: Convert to fraction form
    123,251.81/184,905.41 = 39,017.03/x
  3. Step 3: Cross multiply
    123,251.81x = 184,905.41 × 39,017.03
  4. Step 4: Simplify right side
    123,251.81x = 7,214,458,955.83
  5. Step 5: Solve for x
    x = 7,214,458,955.83/123,251.81
  6. Step 6: Final answer
    x = 58,534.30

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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.