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Finding the Fourth Proportional to 167,601, 231,293.76 and 91,125.24

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Solution

The fourth proportional to 167,601, 231,293.76 and 91,125.24 is: 125,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,601 : 231,293.76 = 91,125.24 : x
  2. Step 2: Convert to fraction form
    167,601/231,293.76 = 91,125.24/x
  3. Step 3: Cross multiply
    167,601x = 231,293.76 × 91,125.24
  4. Step 4: Simplify right side
    167,601x = 21,076,699,390.50
  5. Step 5: Solve for x
    x = 21,076,699,390.50/167,601
  6. Step 6: Final answer
    x = 125,755.21

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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.