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Finding the Fourth Proportional to 264,156, 395,786.76 and 188,894.04

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Solution

The fourth proportional to 264,156, 395,786.76 and 188,894.04 is: 283,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,156 : 395,786.76 = 188,894.04 : x
  2. Step 2: Convert to fraction form
    264,156/395,786.76 = 188,894.04/x
  3. Step 3: Cross multiply
    264,156x = 395,786.76 × 188,894.04
  4. Step 4: Simplify right side
    264,156x = 74,761,760,074.91
  5. Step 5: Solve for x
    x = 74,761,760,074.91/264,156
  6. Step 6: Final answer
    x = 283,021.25

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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.