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Finding the Fourth Proportional to 325,736.93, 488,592.61 and 136,148.33

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Solution

The fourth proportional to 325,736.93, 488,592.61 and 136,148.33 is: 204,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,736.93 : 488,592.61 = 136,148.33 : x
  2. Step 2: Convert to fraction form
    325,736.93/488,592.61 = 136,148.33/x
  3. Step 3: Cross multiply
    325,736.93x = 488,592.61 × 136,148.33
  4. Step 4: Simplify right side
    325,736.93x = 66,521,067,901.84
  5. Step 5: Solve for x
    x = 66,521,067,901.84/325,736.93
  6. Step 6: Final answer
    x = 204,217.15

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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.