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Finding the Fourth Proportional to 231,963.01, 347,774.41 and 74,100.49

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Solution

The fourth proportional to 231,963.01, 347,774.41 and 74,100.49 is: 111,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,963.01 : 347,774.41 = 74,100.49 : x
  2. Step 2: Convert to fraction form
    231,963.01/347,774.41 = 74,100.49/x
  3. Step 3: Cross multiply
    231,963.01x = 347,774.41 × 74,100.49
  4. Step 4: Simplify right side
    231,963.01x = 25,770,254,190.46
  5. Step 5: Solve for x
    x = 25,770,254,190.46/231,963.01
  6. Step 6: Final answer
    x = 111,096.40

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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.