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Finding the Fourth Proportional to 236,807.88, 326,794.87 and 136,205.88

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Solution

The fourth proportional to 236,807.88, 326,794.87 and 136,205.88 is: 187,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,807.88 : 326,794.87 = 136,205.88 : x
  2. Step 2: Convert to fraction form
    236,807.88/326,794.87 = 136,205.88/x
  3. Step 3: Cross multiply
    236,807.88x = 326,794.87 × 136,205.88
  4. Step 4: Simplify right side
    236,807.88x = 44,511,382,847.84
  5. Step 5: Solve for x
    x = 44,511,382,847.84/236,807.88
  6. Step 6: Final answer
    x = 187,964.11

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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.