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Finding the Fourth Proportional to 253,169.82, 379,755.34 and 63,630.63

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Solution

The fourth proportional to 253,169.82, 379,755.34 and 63,630.63 is: 95,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,169.82 : 379,755.34 = 63,630.63 : x
  2. Step 2: Convert to fraction form
    253,169.82/379,755.34 = 63,630.63/x
  3. Step 3: Cross multiply
    253,169.82x = 379,755.34 × 63,630.63
  4. Step 4: Simplify right side
    253,169.82x = 24,164,071,370.99
  5. Step 5: Solve for x
    x = 24,164,071,370.99/253,169.82
  6. Step 6: Final answer
    x = 95,446.10

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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.