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Finding the Fourth Proportional to 252,243.39, 348,120.39 and 188,470.47

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Solution

The fourth proportional to 252,243.39, 348,120.39 and 188,470.47 is: 260,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,243.39 : 348,120.39 = 188,470.47 : x
  2. Step 2: Convert to fraction form
    252,243.39/348,120.39 = 188,470.47/x
  3. Step 3: Cross multiply
    252,243.39x = 348,120.39 × 188,470.47
  4. Step 4: Simplify right side
    252,243.39x = 65,610,413,519.88
  5. Step 5: Solve for x
    x = 65,610,413,519.88/252,243.39
  6. Step 6: Final answer
    x = 260,107.56

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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.