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Finding the Fourth Proportional to 294,086.88, 441,174.08 and 136,331.28

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Solution

The fourth proportional to 294,086.88, 441,174.08 and 136,331.28 is: 204,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,086.88 : 441,174.08 = 136,331.28 : x
  2. Step 2: Convert to fraction form
    294,086.88/441,174.08 = 136,331.28/x
  3. Step 3: Cross multiply
    294,086.88x = 441,174.08 × 136,331.28
  4. Step 4: Simplify right side
    294,086.88x = 60,145,827,029.22
  5. Step 5: Solve for x
    x = 60,145,827,029.22/294,086.88
  6. Step 6: Final answer
    x = 204,517.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.