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Finding the Fourth Proportional to 121,560.22, 167,753.30 and 67,845.22

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Solution

The fourth proportional to 121,560.22, 167,753.30 and 67,845.22 is: 93,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,560.22 : 167,753.30 = 67,845.22 : x
  2. Step 2: Convert to fraction form
    121,560.22/167,753.30 = 67,845.22/x
  3. Step 3: Cross multiply
    121,560.22x = 167,753.30 × 67,845.22
  4. Step 4: Simplify right side
    121,560.22x = 11,381,259,829.87
  5. Step 5: Solve for x
    x = 11,381,259,829.87/121,560.22
  6. Step 6: Final answer
    x = 93,626.52

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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.