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Finding the Fourth Proportional to 240,791.62, 332,295.94 and 138,815.18

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Solution

The fourth proportional to 240,791.62, 332,295.94 and 138,815.18 is: 191,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,791.62 : 332,295.94 = 138,815.18 : x
  2. Step 2: Convert to fraction form
    240,791.62/332,295.94 = 138,815.18/x
  3. Step 3: Cross multiply
    240,791.62x = 332,295.94 × 138,815.18
  4. Step 4: Simplify right side
    240,791.62x = 46,127,720,724.37
  5. Step 5: Solve for x
    x = 46,127,720,724.37/240,791.62
  6. Step 6: Final answer
    x = 191,566.97

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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.