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Finding the Fourth Proportional to 167,641.86, 231,348.03 and 96,021.81

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Solution

The fourth proportional to 167,641.86, 231,348.03 and 96,021.81 is: 132,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,641.86 : 231,348.03 = 96,021.81 : x
  2. Step 2: Convert to fraction form
    167,641.86/231,348.03 = 96,021.81/x
  3. Step 3: Cross multiply
    167,641.86x = 231,348.03 × 96,021.81
  4. Step 4: Simplify right side
    167,641.86x = 22,214,456,580.53
  5. Step 5: Solve for x
    x = 22,214,456,580.53/167,641.86
  6. Step 6: Final answer
    x = 132,511.39

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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.