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Finding the Fourth Proportional to 240,798.93, 332,299.17 and 138,824.59

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Solution

The fourth proportional to 240,798.93, 332,299.17 and 138,824.59 is: 191,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,798.93 : 332,299.17 = 138,824.59 : x
  2. Step 2: Convert to fraction form
    240,798.93/332,299.17 = 138,824.59/x
  3. Step 3: Cross multiply
    240,798.93x = 332,299.17 × 138,824.59
  4. Step 4: Simplify right side
    240,798.93x = 46,131,295,201.84
  5. Step 5: Solve for x
    x = 46,131,295,201.84/240,798.93
  6. Step 6: Final answer
    x = 191,576.00

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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.