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Finding the Fourth Proportional to 136,230.42, 204,243.82 and 93,989.97

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Solution

The fourth proportional to 136,230.42, 204,243.82 and 93,989.97 is: 140,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,230.42 : 204,243.82 = 93,989.97 : x
  2. Step 2: Convert to fraction form
    136,230.42/204,243.82 = 93,989.97/x
  3. Step 3: Cross multiply
    136,230.42x = 204,243.82 × 93,989.97
  4. Step 4: Simplify right side
    136,230.42x = 19,196,870,514.49
  5. Step 5: Solve for x
    x = 19,196,870,514.49/136,230.42
  6. Step 6: Final answer
    x = 140,914.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.