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Finding the Fourth Proportional to 119,474.03, 164,872.89 and 65,757.89

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Solution

The fourth proportional to 119,474.03, 164,872.89 and 65,757.89 is: 90,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,474.03 : 164,872.89 = 65,757.89 : x
  2. Step 2: Convert to fraction form
    119,474.03/164,872.89 = 65,757.89/x
  3. Step 3: Cross multiply
    119,474.03x = 164,872.89 × 65,757.89
  4. Step 4: Simplify right side
    119,474.03x = 10,841,692,540.24
  5. Step 5: Solve for x
    x = 10,841,692,540.24/119,474.03
  6. Step 6: Final answer
    x = 90,745.19

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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.