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Finding the Fourth Proportional to 382,176.91, 573,266.73 and 115,939.73

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Solution

The fourth proportional to 382,176.91, 573,266.73 and 115,939.73 is: 173,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,176.91 : 573,266.73 = 115,939.73 : x
  2. Step 2: Convert to fraction form
    382,176.91/573,266.73 = 115,939.73/x
  3. Step 3: Cross multiply
    382,176.91x = 573,266.73 × 115,939.73
  4. Step 4: Simplify right side
    382,176.91x = 66,464,389,894.18
  5. Step 5: Solve for x
    x = 66,464,389,894.18/382,176.91
  6. Step 6: Final answer
    x = 173,910.01

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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.