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Finding the Fourth Proportional to 206,955.72, 285,601.37 and 116,306.37

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Solution

The fourth proportional to 206,955.72, 285,601.37 and 116,306.37 is: 160,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,955.72 : 285,601.37 = 116,306.37 : x
  2. Step 2: Convert to fraction form
    206,955.72/285,601.37 = 116,306.37/x
  3. Step 3: Cross multiply
    206,955.72x = 285,601.37 × 116,306.37
  4. Step 4: Simplify right side
    206,955.72x = 33,217,258,030.20
  5. Step 5: Solve for x
    x = 33,217,258,030.20/206,955.72
  6. Step 6: Final answer
    x = 160,504.18

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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.