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Finding the Fourth Proportional to 166,489.44, 229,763.86 and 98,545.44

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Solution

The fourth proportional to 166,489.44, 229,763.86 and 98,545.44 is: 135,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,489.44 : 229,763.86 = 98,545.44 : x
  2. Step 2: Convert to fraction form
    166,489.44/229,763.86 = 98,545.44/x
  3. Step 3: Cross multiply
    166,489.44x = 229,763.86 × 98,545.44
  4. Step 4: Simplify right side
    166,489.44x = 22,642,180,679.80
  5. Step 5: Solve for x
    x = 22,642,180,679.80/166,489.44
  6. Step 6: Final answer
    x = 135,997.70

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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.