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Finding the Fourth Proportional to 240,735.78, 332,370.81 and 154,733.22

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Solution

The fourth proportional to 240,735.78, 332,370.81 and 154,733.22 is: 213,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,735.78 : 332,370.81 = 154,733.22 : x
  2. Step 2: Convert to fraction form
    240,735.78/332,370.81 = 154,733.22/x
  3. Step 3: Cross multiply
    240,735.78x = 332,370.81 × 154,733.22
  4. Step 4: Simplify right side
    240,735.78x = 51,428,805,665.31
  5. Step 5: Solve for x
    x = 51,428,805,665.31/240,735.78
  6. Step 6: Final answer
    x = 213,631.75

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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.