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Finding the Fourth Proportional to 199,552.52, 275,375.58 and 118,938.54

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Solution

The fourth proportional to 199,552.52, 275,375.58 and 118,938.54 is: 164,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,552.52 : 275,375.58 = 118,938.54 : x
  2. Step 2: Convert to fraction form
    199,552.52/275,375.58 = 118,938.54/x
  3. Step 3: Cross multiply
    199,552.52x = 275,375.58 × 118,938.54
  4. Step 4: Simplify right side
    199,552.52x = 32,752,769,436.85
  5. Step 5: Solve for x
    x = 32,752,769,436.85/199,552.52
  6. Step 6: Final answer
    x = 164,131.07

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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.