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Finding the Fourth Proportional to 167,990.68, 231,829.92 and 92,539.24

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Solution

The fourth proportional to 167,990.68, 231,829.92 and 92,539.24 is: 127,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,990.68 : 231,829.92 = 92,539.24 : x
  2. Step 2: Convert to fraction form
    167,990.68/231,829.92 = 92,539.24/x
  3. Step 3: Cross multiply
    167,990.68x = 231,829.92 × 92,539.24
  4. Step 4: Simplify right side
    167,990.68x = 21,453,364,606.06
  5. Step 5: Solve for x
    x = 21,453,364,606.06/167,990.68
  6. Step 6: Final answer
    x = 127,705.68

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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.