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Finding the Fourth Proportional to 248,383.90, 372,366.87 and 108,036.82

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Solution

The fourth proportional to 248,383.90, 372,366.87 and 108,036.82 is: 161,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,383.90 : 372,366.87 = 108,036.82 : x
  2. Step 2: Convert to fraction form
    248,383.90/372,366.87 = 108,036.82/x
  3. Step 3: Cross multiply
    248,383.90x = 372,366.87 × 108,036.82
  4. Step 4: Simplify right side
    248,383.90x = 40,229,332,508.15
  5. Step 5: Solve for x
    x = 40,229,332,508.15/248,383.90
  6. Step 6: Final answer
    x = 161,964.33

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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.