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Finding the Fourth Proportional to 373,369.20, 559,713.60 and 136,654.80

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Solution

The fourth proportional to 373,369.20, 559,713.60 and 136,654.80 is: 204,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,369.20 : 559,713.60 = 136,654.80 : x
  2. Step 2: Convert to fraction form
    373,369.20/559,713.60 = 136,654.80/x
  3. Step 3: Cross multiply
    373,369.20x = 559,713.60 × 136,654.80
  4. Step 4: Simplify right side
    373,369.20x = 76,487,550,065.28
  5. Step 5: Solve for x
    x = 76,487,550,065.28/373,369.20
  6. Step 6: Final answer
    x = 204,857.69

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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.