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Finding the Fourth Proportional to 167,673, 231,374.70 and 98,751.54

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Solution

The fourth proportional to 167,673, 231,374.70 and 98,751.54 is: 136,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,673 : 231,374.70 = 98,751.54 : x
  2. Step 2: Convert to fraction form
    167,673/231,374.70 = 98,751.54/x
  3. Step 3: Cross multiply
    167,673x = 231,374.70 × 98,751.54
  4. Step 4: Simplify right side
    167,673x = 22,848,607,942.04
  5. Step 5: Solve for x
    x = 22,848,607,942.04/167,673
  6. Step 6: Final answer
    x = 136,268.86

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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.