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Finding the Fourth Proportional to 270,020.60, 404,253.30 and 165,044.60

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Solution

The fourth proportional to 270,020.60, 404,253.30 and 165,044.60 is: 247,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,020.60 : 404,253.30 = 165,044.60 : x
  2. Step 2: Convert to fraction form
    270,020.60/404,253.30 = 165,044.60/x
  3. Step 3: Cross multiply
    270,020.60x = 404,253.30 × 165,044.60
  4. Step 4: Simplify right side
    270,020.60x = 66,719,824,197.18
  5. Step 5: Solve for x
    x = 66,719,824,197.18/270,020.60
  6. Step 6: Final answer
    x = 247,091.61

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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.