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Finding the Fourth Proportional to 121,548.93, 167,754.43 and 67,837.41

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Solution

The fourth proportional to 121,548.93, 167,754.43 and 67,837.41 is: 93,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,548.93 : 167,754.43 = 67,837.41 : x
  2. Step 2: Convert to fraction form
    121,548.93/167,754.43 = 67,837.41/x
  3. Step 3: Cross multiply
    121,548.93x = 167,754.43 × 67,837.41
  4. Step 4: Simplify right side
    121,548.93x = 11,380,025,956.39
  5. Step 5: Solve for x
    x = 11,380,025,956.39/121,548.93
  6. Step 6: Final answer
    x = 93,625.06

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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.