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Finding the Fourth Proportional to 218,554.73, 327,749.06 and 104,585.55

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Solution

The fourth proportional to 218,554.73, 327,749.06 and 104,585.55 is: 156,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,554.73 : 327,749.06 = 104,585.55 : x
  2. Step 2: Convert to fraction form
    218,554.73/327,749.06 = 104,585.55/x
  3. Step 3: Cross multiply
    218,554.73x = 327,749.06 × 104,585.55
  4. Step 4: Simplify right side
    218,554.73x = 34,277,815,179.16
  5. Step 5: Solve for x
    x = 34,277,815,179.16/218,554.73
  6. Step 6: Final answer
    x = 156,838.59

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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.