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Finding the Fourth Proportional to 231,806.88, 347,693.04 and 74,052

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Solution

The fourth proportional to 231,806.88, 347,693.04 and 74,052 is: 111,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,806.88 : 347,693.04 = 74,052 : x
  2. Step 2: Convert to fraction form
    231,806.88/347,693.04 = 74,052/x
  3. Step 3: Cross multiply
    231,806.88x = 347,693.04 × 74,052
  4. Step 4: Simplify right side
    231,806.88x = 25,747,364,998.08
  5. Step 5: Solve for x
    x = 25,747,364,998.08/231,806.88
  6. Step 6: Final answer
    x = 111,072.48

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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.