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Finding the Fourth Proportional to 373,344.82, 559,842.09 and 136,521.88

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Solution

The fourth proportional to 373,344.82, 559,842.09 and 136,521.88 is: 204,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,344.82 : 559,842.09 = 136,521.88 : x
  2. Step 2: Convert to fraction form
    373,344.82/559,842.09 = 136,521.88/x
  3. Step 3: Cross multiply
    373,344.82x = 559,842.09 × 136,521.88
  4. Step 4: Simplify right side
    373,344.82x = 76,430,694,629.93
  5. Step 5: Solve for x
    x = 76,430,694,629.93/373,344.82
  6. Step 6: Final answer
    x = 204,718.78

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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.