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Finding the Fourth Proportional to 167,744.34, 231,484.86 and 91,262.54

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Solution

The fourth proportional to 167,744.34, 231,484.86 and 91,262.54 is: 125,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,744.34 : 231,484.86 = 91,262.54 : x
  2. Step 2: Convert to fraction form
    167,744.34/231,484.86 = 91,262.54/x
  3. Step 3: Cross multiply
    167,744.34x = 231,484.86 × 91,262.54
  4. Step 4: Simplify right side
    167,744.34x = 21,125,896,295.14
  5. Step 5: Solve for x
    x = 21,125,896,295.14/167,744.34
  6. Step 6: Final answer
    x = 125,941.04

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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.