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Finding the Fourth Proportional to 136,793.30, 204,769.52 and 116,615.18

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Solution

The fourth proportional to 136,793.30, 204,769.52 and 116,615.18 is: 174,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,793.30 : 204,769.52 = 116,615.18 : x
  2. Step 2: Convert to fraction form
    136,793.30/204,769.52 = 116,615.18/x
  3. Step 3: Cross multiply
    136,793.30x = 204,769.52 × 116,615.18
  4. Step 4: Simplify right side
    136,793.30x = 23,879,235,455.43
  5. Step 5: Solve for x
    x = 23,879,235,455.43/136,793.30
  6. Step 6: Final answer
    x = 174,564.37

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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.