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Finding the Fourth Proportional to 240,696.54, 332,198.64 and 137,330.82

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Solution

The fourth proportional to 240,696.54, 332,198.64 and 137,330.82 is: 189,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,696.54 : 332,198.64 = 137,330.82 : x
  2. Step 2: Convert to fraction form
    240,696.54/332,198.64 = 137,330.82/x
  3. Step 3: Cross multiply
    240,696.54x = 332,198.64 × 137,330.82
  4. Step 4: Simplify right side
    240,696.54x = 45,621,111,634.08
  5. Step 5: Solve for x
    x = 45,621,111,634.08/240,696.54
  6. Step 6: Final answer
    x = 189,537.88

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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.