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Finding the Fourth Proportional to 253,289.88, 379,934.75 and 95,481.43

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Solution

The fourth proportional to 253,289.88, 379,934.75 and 95,481.43 is: 143,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,289.88 : 379,934.75 = 95,481.43 : x
  2. Step 2: Convert to fraction form
    253,289.88/379,934.75 = 95,481.43/x
  3. Step 3: Cross multiply
    253,289.88x = 379,934.75 × 95,481.43
  4. Step 4: Simplify right side
    253,289.88x = 36,276,710,859.61
  5. Step 5: Solve for x
    x = 36,276,710,859.61/253,289.88
  6. Step 6: Final answer
    x = 143,222.11

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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.