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Finding the Fourth Proportional to 244,955.31, 338,029.67 and 137,529.87

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Solution

The fourth proportional to 244,955.31, 338,029.67 and 137,529.87 is: 189,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,955.31 : 338,029.67 = 137,529.87 : x
  2. Step 2: Convert to fraction form
    244,955.31/338,029.67 = 137,529.87/x
  3. Step 3: Cross multiply
    244,955.31x = 338,029.67 × 137,529.87
  4. Step 4: Simplify right side
    244,955.31x = 46,489,175,883.59
  5. Step 5: Solve for x
    x = 46,489,175,883.59/244,955.31
  6. Step 6: Final answer
    x = 189,786.36

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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.