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Finding the Fourth Proportional to 283,179.62, 424,755.57 and 105,672.79

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Solution

The fourth proportional to 283,179.62, 424,755.57 and 105,672.79 is: 158,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,179.62 : 424,755.57 = 105,672.79 : x
  2. Step 2: Convert to fraction form
    283,179.62/424,755.57 = 105,672.79/x
  3. Step 3: Cross multiply
    283,179.62x = 424,755.57 × 105,672.79
  4. Step 4: Simplify right side
    283,179.62x = 44,885,106,149.94
  5. Step 5: Solve for x
    x = 44,885,106,149.94/283,179.62
  6. Step 6: Final answer
    x = 158,504.01

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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.