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Finding the Fourth Proportional to 248,481.60, 342,667.20 and 166,993.92

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Solution

The fourth proportional to 248,481.60, 342,667.20 and 166,993.92 is: 230,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,481.60 : 342,667.20 = 166,993.92 : x
  2. Step 2: Convert to fraction form
    248,481.60/342,667.20 = 166,993.92/x
  3. Step 3: Cross multiply
    248,481.60x = 342,667.20 × 166,993.92
  4. Step 4: Simplify right side
    248,481.60x = 57,223,338,983.42
  5. Step 5: Solve for x
    x = 57,223,338,983.42/248,481.60
  6. Step 6: Final answer
    x = 230,292.06

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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.