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Finding the Fourth Proportional to 159,885.97, 239,687.81 and 65,195.35

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Solution

The fourth proportional to 159,885.97, 239,687.81 and 65,195.35 is: 97,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,885.97 : 239,687.81 = 65,195.35 : x
  2. Step 2: Convert to fraction form
    159,885.97/239,687.81 = 65,195.35/x
  3. Step 3: Cross multiply
    159,885.97x = 239,687.81 × 65,195.35
  4. Step 4: Simplify right side
    159,885.97x = 15,626,530,663.68
  5. Step 5: Solve for x
    x = 15,626,530,663.68/159,885.97
  6. Step 6: Final answer
    x = 97,735.47

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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.