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Finding the Fourth Proportional to 218,296.32, 327,600 and 93,672.96

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Solution

The fourth proportional to 218,296.32, 327,600 and 93,672.96 is: 140,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,296.32 : 327,600 = 93,672.96 : x
  2. Step 2: Convert to fraction form
    218,296.32/327,600 = 93,672.96/x
  3. Step 3: Cross multiply
    218,296.32x = 327,600 × 93,672.96
  4. Step 4: Simplify right side
    218,296.32x = 30,687,261,696.00
  5. Step 5: Solve for x
    x = 30,687,261,696.00/218,296.32
  6. Step 6: Final answer
    x = 140,576.18

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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.